Photo by Ecoyards

It’s a sure sign of spring when you can spot the explosion of white and pale pink blossoms on cherry trees throughout the Northwest. There are no shortage of places to view cherry blossoms, which are in their prime from about late March into early April. The University of Washington’s Quad is one of the many places where you can walk under a canopy of pink and white blossoms. (Check out photos on the UW’s Facebook page). The 31 Yoshino cherry trees that line the campus quad start blooming in late March and go for about three weeks. According to the UW, the Washington Park Arboretum bought and planted these Yoshino cherry trees around 1939. In the early 1960s, they were brought to the UW campus when State Route 520 was built.

If you’re looking to plant ornamental cherry trees at your home,  Yoshino cherry is one of the best bets for the Seattle area. Yoshino cherry, or prunus yedeoensis, is a Great Plant Pick, which means it is well-suited for growing in the Seattle area. Once established, the plant is drought tolerant. It’s also disease resistant and loves our cool, wet weather. The tree develops golden yellow and orange colors in the fall. It is originally from Japan and has been widely planted in the U.S., including in Washington, D.C. Great Plant Picks also recommends three other ornamental cherry tree varieties that do well in the Seattle area, including Akebono, Japanese Flowering Cherry and Cornelian Cherry.

The exchange of cherry trees between Japan and Washington, D.C., has a long and interesting history _ with a Seattle connection. In 1909, First Lady Helen Taft backed the idea of planting cherry trees in the nation’s capital, according to this National Park Service timeline. That year, Japan donated 2,000 trees to Washington to be planted along the Potomac River. The trees were shipped from Japan through Seattle on Dec. 10, 1909. When they arrived in D.C., agricultural inspectors discovered that they were infested with insects and nematodes, and President Taft agreed to have them burned to protect American growers. The NPS timeline shows that in 1912, Japan donated another 3,020 trees to D.C.; again they were shipped through Seattle and included about 1,800 Yoshino cherry trees, as well as other varieties. Those 1912 Yoshino cherry and trees propagated from that stock still draw thousands of visitors to D.C. each spring. Over the years, cuttings were taken from those 1912 trees to help preserve the tree’s genetic lineage; some were even sent back to Japan to help maintain the tree’s lineage in that country. Yoshino cherry trees are the predominant cherry blossom tree found in D.C., mainly along the tidal basin.

Some companies may only aerate your lawn, but we feel your lawn benefits most when you also over-seed (spread grass seed) and top-dress (spread a thin layer of compost over your lawn). Here’s how and why we do it:

First, we aerate your lawn. Why aerate? Over time, lawns become compacted from heavy use; each time your pets, kids and others walk across or play on the lawn, all that foot traffic presses down on the soil, making it harder for the grass roots to take up water and other nutrients. That greatly reduces air pockets in your soil. Grass (and other roots) require oxygen to grow and absorb nutrients and water. When we aerate your lawn, we use a mechanical aerator that pulls out small plugs of soil from the lawn about one to two inches in length. This creates little air pockets that allow water, fertilizers and other nutrients to move to the root zone more easily. These air pockets improve the lawn’s ability to absorb rain and prevents fertilizers from running off the lawn surface. The soil plugs are left on the lawn, because they’ll eventually break down and work back into the soil.

Second, we over-seed your lawn, which means we’ll spread a Northwest blend of grass seed over your lawn to help fill in bare patches. Spring is a good time to aerate, over-seed and top-dress because weather is important. Grass seed needs roughly 60F temps to germinate. Put it down too early in the winter and it just rots or gets eaten by birds. Put it down too late in the summer and you’ll have to baby-sit it with a sprinkler to keep it from drying out.

Finally, we top-dress the lawn, which involves spreading a thin layer of compost on top of your lawn. Compost is great for building healthy soil in landscape and garden beds; the same is true for your lawn. Healthy lawns require healthy soil. We’ll rake a thin lawyer of compost over your lawn (with some filling the aeration holes), where it will gradually move to the soil below the grass. Top-dressing with compost helps soils use fertilizer more efficiently and adds nutrients. It’s a good idea to top-dress your lawn once a year to restore soil humus.

Revolution Green Power energy auditor

When City Light first started doing energy audits, the audits were only available in certain neighborhoods at certain times, and the process seemed a bit more complicated than it is today. Now, the audits are available to anyone who wants one, and signing up couldn’t be simpler. Here’s how to do it.

1. Sign up by filling out the form on the city’s website. You’ll get an account and, if you qualify, a coupon code number. [TIP: If you live within Seattle city limits and think you'll likely do some major energy updating, a program called Community Power Works offers rebates and low-interest community loans to pay for those upgrades. You can sign up with CPW and then get your energy audit completed; we went through the City Light website first and discovered, it's OK, too, to sign up for the energy audit through the city's website and then get into the CPW program later].

2. Once you have your coupon number, call up one of the city’s pre-qualified home energy auditors and arrange to get your audit done. We hired Revolution Green Power after reading Lisa Stiffler’s post on Sightline. Ecofab also comes highly recommended (and we liked the auditor when we hired him for a bid, later). All the contractors have to meet city requirements.

Revolution Green Power auditor conduction blower door test

3. Schedule an audit. Two workers from Revolution Green Power came to our house, and began finding areas in the house where heat leaked out. We knew there would be plenty of places where heat could escape: through the insulated floors, chimney, even the quaint but seriously outdated mailbox slot. The crew closed all the doors to the house and installed a door blower that pulls the air out of the house, allowing them to find all the areas where air leaks out. They also gave us free compact fluorescent bulbs, courtesy of Seattle City Light, and changed out all bulbs where we hadn’t already done so. They told us that we should consider sealing our ducts, or consider switching from our grossly outdated oil furnace and get a ductless heat pump.

4. Get energy performance scorecard. Several days after the home visit, our detailed energy analysis was available for viewing online. The scorecard gives you an energy score, as well as what that means in terms energy costs. For us, that meant energy costs of $1,350/year. We fell well below the Seattle average in energy score and carbon score, mostly because the house is so small. The most important detail: with the recommended upgrades we could cut our energy score and costs by more than half.

5. Read energy analysis and decide on energy upgrades. More useful than the report card was the energy analysis that told us, in great detail, what was working and what wasn’t in terms of energy efficiency. It prioritized what we needed to do first that would get us the most bang for our buck and what it would cost. Armed with the report, we are now in the process of getting contractor bids on a couple of services, including insulating our floors/crawl space and installing a ductless heat pump. Some of the smaller stuff, like plugging holes, we’ll be adding to our weekend to-do lists.

Painted ladybug rocks, set on basalt column; all photos taken by Ecoyards

As parents of a rambunctious toddler, we’re always interested in getting our son outdoors to explore and learn. So we were excited to learn about the Mercer Island Public Library Early Learning Garden from our clients on Mercer Island. (Ecoyards frequently works with Mercer Island customers on design-and-build landscape projects; we also help many Mercer Island customers maintain their lawn and landscapes). The public library garden opened last fall, thanks to sweat and labor from hundreds of community volunteers.

The Mercer Island Library worked with the Pomegranate Center to build a unique outdoor space that connects kids with nature and literacy. The landscape design does a lot with a relatively small space that surrounds the library. A short trail starts at the parking lot and wraps around the west and north sides of the public library. It connects three gathering circles: basalt columns in the smallest, granite boulders next and cedar benches and stumps to sit on in the last and largest gathering circle.

Cedar circle

The garden recognizes that literacy and life-long learning can go beyond books and reading. Young kids have a sense of wonder and imagination that can be cultivated early on, both indoors and outdoors. Alphabet tiles handmade by children and other volunteers are placed throughout the trail to help the library’s youngest patrons develop early literacy skills. The tiles illustrate animals and plants that can be found on Mercer Island, such as B for butterfly and J for jay.

M for Maple

The paths are filled with empty hazelnut shells (yes, they come from Washington), and make for a fun crunching sound under feet.

Child walks on path full of hazelnut shells.

There’s a lot for gardeners to love as well. Northwest native plants such as rhododendrons, ferns and Oregon grape.

Rhododendron

Evergreen Huckleberry, West Seattle

The erect shrubs can grow tall; some of our clients on Mercer Island have older, bushy shrubs that are about 6-feet tall. The berries ripen during the late summer to fall; they’re slightly tart, about one-third the size of a typical blueberry and make great jams or jellies. My son is crazy about them and loves to eat them right off the plant, his fingers and lips stained red-purple by the juices. Add huckleberries to muffins or pancakes; they’re also easy to freeze. One of our clients, Lisa in Ballard, makes a killer huckleberry pie, filled with berries she picks from her garden.

Sprinkler over-spray; photo by jellaluna via Creative Commons license

Ever walk by a sprinkler system where everything but the plants get irrigated? The sprinkler unintentionally sprays water all over the sidewalk, pavement or building, rather than directing the water to the base of the plants. That’s over-spray, and there are many ways to fix it if you have a sprinkler system.

The first thing to do is to make sure the sprinkler nozzles are clean, properly aligned, and pointed in the right direction. Sprinklers can become misaligned over time as parts vibrate during operation, or get bumped by mowers and foot traffic.

Sometimes, over-spray is just a result of an improperly designed system. Sprinkler heads may be positioned in poor locations or incorrect sprinkler nozzles may be installed.  Variable arc nozzles are available for those spaces with unusual angles of sprinkler coverage, but care must be taken to match the precipitation rates with other sprinklers on the zone to ensure proper distribution uniformity.  Some sprinklers may need to be relocated, or, in some cases, simply removed and capped.

Converting shrub and planting beds to drip irrigation will eliminate over-spray in those areas because it delivers water directly to a plant’s root zone.  Drip irrigation is efficient and will help you save water, and ultimately lower your water bills. In fact, it’s so efficient that many cities that put restrictions on home watering use during droughts often exempt drip irrigation. You’re able to water the plant’s roots, rather than spraying its leaves, foliage and branches, and you’re also able to water the plants more deeply because the drip system releases water more slowly than a sprinkler or spray.

If you have an existing sprinkler system that needs a tune up or you want to convert sprinkler zones to drip, contact us at Ecoyards.

Getting water from the rain barrel

My toddler son loves to dig around in the yard, so I decided to put him to work a few weeks ago when I needed to weed our landscape beds after a winter of neglect. After watching me dig up a few weeds in our raised beds, he grabbed his little metal shovel and began copying me. He put the shovel into the ground, pushed it down with his feet, and then hauled up a few weeds — which he promptly dumped, along with a scoopful of good dirt, into the gravel walkway. Oh, well. At least he was having fun digging. I gave him an empty bucket, and he spent the next 20 minutes filling it with compost.

There are different ways, large and small, to get your toddler or older kids interested in gardening or being outside. Toddlers love to imitate, so you don’t have to have a planned activity to get them excited about gardening. If you pull weeds, ask them to help you put them in the yard waste bin. Find worms together, and show your kids how to handle the insects gently. Look for birds in your trees. Smell different plants in your garden.

Here are some other ideas to get your toddlers out in the garden:

Visit children’s gardens and let your kids explore. The Bradner Gardens Park, Magnuson Children’s Garden, and Good Shepherd Children’s Garden are some of our favorites.

Sign up for a children’s gardening class, if your school doesn’t already offer gardening in the classroom. Seattle Tilth has a 2012 Summer Garden Camp for kids 1-14 in Rainier Beach and North Seattle neighborhoods. One day sessions for young tots including “Don’t Squish that Bug” and “Wiggle, Squiggle, Giggle.” Other classes teach about ladybugs, let your toddlers plant seeds, and explore other creatures.

Keep your kids safe. Supervise young ones when they’re using tools or planting seeds that could be potential choking hazards. Keep fertilizers out of their reach. Avoid using pesticides! If you’re concerned that your soil may have lead or arsenic, get it tested; King County explains how you can do that.

Get your kids good-quality tools that fit small hands, rather than having them wrestle with adult-sized tools. Practice safe handling of those tools, and teach them how to put tools away. My son has a blue metal shovel, a yellow hoe, and a bamboo shrub rake. Each cost between $5 and $10. We bought all three at the West Seattle Junction True Value Hardware store; check your local hardware store. (You can also order it online at Small Hands).

Plant a garden, but keep it simple. Pick a few vegetables that are easy to grow, that grow fast, and are visually cool. Sugar snap peas or snow peas come to mind; the seeds are easy to handle for small hands. Radishes and lettuce also are great for the impatient toddler. Plant root vegetables that are fun to dig up, such as potatoes. Plant weird stuff, like purple carrots.

Later in the summer, let toddlers help you harvest tomatoes, carrots and snap peas, or pick raspberries and huckleberries (though teach your kids to only eat foods after asking for permission). Get a small watering can or spray bottle, and let them water your plants. My son likes to fill up the watering can at the rain barrel, and water our potted plants.

Grow seeds indoors. Kidsgardening.org has some great articles that caregivers can do with their young ones, including planting a windowsill herb garden, gardening with creative containers, or garbage-can gardening.

Read books about gardens and bugs. The National Gardening Association came up with this list of gardening books to read with your toddler: Growing Vegetable Soup by Lois Ehlert; Pumpkin Pumpkin by Jeanne Titherington; Tops and Bottoms by Janet Stevens; This is the Sunflower by Lola M. Schaefer; Whose Garden Is It? by Mary Ann Hoberman; The Carrot Seed by Ruth Krauss; The Tiny Seed by Eric Carle; Oliver’s Vegetables by Vivian French; Stone Soup by Marcia Brown; Alison’s Zinnia by Anita Lobel.

Visit farmers markets throughout the year and talk to your kids about what’s fresh at the market and growing in gardens. Visit farms where toddlers can pick their own strawberries, blueberries, pumpkins, and so on.

Check out this National Wildlife Federation guide for other helpful tips.

Find more lessons or activities at the KidsGardening website.

1. Japanese hori-hori digging knife (left). This stainless steel knife is an indispensable tool for any gardener. At about $30, it’s pricier than your standard trowel, but it serves so many purposes that it’s worth it the money. The serrated teeth on one side is great for slicing tough roots, slicing off spent perennials, prying weeds and digging through compacted soil. The wooden handle is sturdy, and fits perfectly in your hand. It also comes with a black sheath that can attach to a belt. We buy ours in West Seattle at the True Value Hardware store. They are also available online.

2. Felco #2 Pruners. $45 (right). This is hands-down the best pair of pruners you can have. This bypass pruner is one of the most recommended among gardeners for its strength, versatility and comfort. Any good hardware store or garden store will stock these pruners and replacement parts.

3.  Plant tape, about $1-$2 for a 150-foot roll (left). There are a lot of choice out there when it comes to tying plants, including twine, plant tape/ribbon, wire, or velcro. We prefer plant tape because it’s cheap, has many uses and is stretchy, so it doesn’t girdle a tree – unlike wire or twine. We like them for tying vines to trellises, staking tomato plants, mending branches, and supporting weak branches.

4.  Folding pruning saw, between $10-$25. This handy fine-tooth pruning saw folds up and fits in your back pocket for easy access. It works great for light and medium pruning jobs. Get one with an ergonomic fit, and rubberized handle for better grip and comfort.

5. Landscape irrigation and remote, about $300. Ok – this is mostly for professionals only, but let us geek out for a moment and suggest this high-tech gizmo as a must-have for those who spend a lot of time fine tuning irrigation systems. The price, alone, sets it apart from the other items on this list, but it’s no less essential for the serious gardener. This Rainbird remote lets you turn on your sprinkler system from anywhere in your yard; when you need to adjust your sprinkler in one corner of your yard, you can use this remote control to do it rather than having to walk back to the central controller.

Tulips peeking through recent snow

Despite the snow in the Seattle recently, there are still signs of spring everywhere. Forsythia branches are showing their signature yellow color; flowering currants and magnolias are starting to bloom; and the most enjoyable, distinctive sign of spring – tulips – are emerging after a winter spent growing underground.

Tulips are native to central Asia and were first commercially cultivated as early as 1000 AD by the Turks, long before a botanist named Carlos Clusius widely introduced them to the Netherlands during the late 16th century. Tulips are now synonymous with the Netherlands, and regionally, with the Skagit Valley, where visitors can catch thousands of tulips blooming during the spring Tulip Festival (April 1-30, 2012).

Tulips are hardy bulbs and easy to grow in the Seattle area. They can withstand cold snaps without much problem; so no need to worry about the recent snowfall. Plant tulips and other spring-blooming bulbs, such as daffodils, in the fall so they can bloom in the spring. For the showiest blooms, buy the biggest bulbs and buy them as soon as you start seeing them in the garden store (avoid ones with roots growing from them). Tulips require a good dose of sun — about 5 to 6 hours a day — and well-drained soil. Plant them a few inches deeper than the packet instructions tell you, about 10 inches or so.

Ecoyards' youngest employee with tulips, planted two years ago.

In the Ecoyards garden, our tulips are starting to peak out of the ground (pictured above) in early March. Some people plant tulips yearly for the best blooms and show, but most high-quality tulip bulbs will continue to bloom for three years with good results if you put them in a sunny spot with good drainage. (Check your bulb variety; some very showy blooms are sold as annuals and are only meant to bloom for one season). From year to year, tulips split into smaller bulbs, and eventually those smaller bulbs may not produce a flower. The tulips pictured here were planted about three seasons ago, so we will probably divide the bulbs later this fall or plant new ones.

Now is probably a good time give your bulbs a bit of fertilizer. You should fertilize as foliage (about an inch or two) emerges and again after flowering (there’s no need to fertilize if you’re treating the tulips as an annual, or good for one season). If you want to cut the flowers for indoor use, do it when it’s just past the tight bud stage. Cut it in the morning, put the stems in lots of water and store in a cool area.

Once a tulip has bloomed, remove the dead flower so it doesn’t set seed, which can reduce bulb growth. But resist the urge to pluck the leaves. Let the leaves get good and brown before removing them. The foliage is working hard to photosynthesize nutrients and to recharge the bulb so it can send up a healthy flower stalk next spring. Once the leaves are withered and brown, cut them back and leave the bulbs in the ground for next spring’s bloom.

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Old Dominion circular paver, Ecoyards

Patios can extend your outdoor living space, give structure to your landscape, and provide a great place to hang out. There are many decisions that go into installing a patio. Once you have a design in mind, deciding what material to use can be tough. Initial cost of installation is only one of numerous factors. You also should include durability, maintenance over time, and how the patio will be used (for example, pea gravel may be great in the side yard, but not an ideal surface for patio table and chairs).

Here’s a brief summary of some of the materials that can be used:

Bricks can give you a traditional, classic beauty that will hold their natural clay hue over time. We have helped our clients incorporate some “reclaimed” bricks from other old projects into their new projects, giving the patio an aged look; you may not always be able to find reclaimed bricks.

Poured concrete is simple, smooth, and among the cheapest options for patios or walkways. One of the disadvantages is that they can crack over time. Proper installation (including pouring concrete over a thick compacted base of sand or gravel) can help prevent cracking, but if your house is in an area where soil settles over time or the earth beneath shifts, cracking can still happen. Concrete also is impervious, so water runs off the surface rather than seep into the soil or gravel below.

Natural stone (slate) walkway

Natural stone is attractive, durable, requires little maintenance but it is among the most expensive materials for patios. Bluestone with its distinctive smooth surface and blue-tan hues are ideal for formal landscapes. Flagstone (such as slate or limestone) lend a formal feel to a landscape, but also can be laid randomly to give a less formal feel. Natural stone is durable, slip-resistant, and can be installed so that moss or other groundcovers can be planted in between the spacing, allowing rain to seep through and adding a living feature to your patio. We typically install flagstones over a base of sand and gravel, though clients can choose to mortar flagstones on top of a concrete slab.

Pavers made from pre-cast concrete are the most popular choice for Ecoyards clients. These pavers range in size, color, and texture, giving homeowners numerous design options. Pavers can be installed over a concrete slab or a compacted base of sand and gravel. Once installed, pavers require very little maintenance. Recycled pavers such as those offered by VAST are made of 95 percent post-consumer recycled materials –plastic bottles and scrap tires — rather than traditional concrete or clay.

Permeable pavers are becoming increasingly popular choices as a way to help control stormwater pollution, but they are generally more expensive. Many cities and counties are using permeable pavers, such as UNI Eco-stone, interlocking concrete pavers, as a more effective method of controlling stormwater (all the stuff that washes into storm drains when it rains) in big projects.