Monthly Archives: August 2014

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Living Fences make Good Neighbors

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loropetalum_chinense.1600To quote Robert Frost from his 1914 poem ?Mending Walls? , ?Good fences make good neighbors?. When I visited eastern Poland a couple of years ago each house and garden was enclosed with a fence of some sort. Some fences were wood, some stone, some ornamental iron and some were plant hedges that divided properties. I thought the living hedges were the most beautiful and neighborly. Whether you need to screen a water tank or noisy road or the neighbor?s second story window there are lots of choices. Plan now to be ready for fall planting season.

There are many kinds of plants that make good living fences. Recently I designed a screen for a narrow yard along a busy street. We didn?t want to enclose the area with dense plants that would take up too much space and not allow her to enjoy a view of the beautiful neighborhood but still she didn?t want every person walking their dog to look into her kitchen window. Some of the plants we chose will display a graceful, weeping habit. Others are wispy and columnar. Still others are compact.

Many people only think of plants that remain evergreen when they need screening. However, if you use one-third deciduous plants to two-thirds broadleaf evergreens they will weave together and you won’t be able to tell where one leaves off and another begins. This makes mature hedges secure borders, especially if you throw a few barberries or other prickly plant into the mix.? You’ll also get seasonal interest with fall color and berries for wildlife.

Pittosporum Silver Sheen, westringia ?Wynabbie Gem?, leptospermum, nandina, Lily-of-the-Valley shrub and English laurel also make great screens and hedges. What other plants can you use that would be beautiful, productive and practical in all seasons?

Many times a screen may start in the sun but end up in mostly shade. For your sunnier spots why not mix in a few dwarf fruit trees for you to enjoy, ceanothus and Pacific wax myrtle for the birds, barberry for beautiful foliage and fall color, spirea, rockrose, escallonia and quince for their bright flowers and fragrant lilacs for cutting in the spring?? The shadier side can include Oregon grape for fragrant, yellow winter flowers, snowberry for those striking white berries in the fall, oak-leaf hydrangea, viburnum and native mock orange for blossoms in the spring.

Loropetalum chinense or Fringe Flower is a handsome evergreen shrub that comes in two versions: green foliage with white flowers or burgundy foliage with raspberry flower clusters. Flowering is heaviest in the spring but some bloom is likely throughout the year. They thrive in sun with occasional water or part shade? The burgundy form would add color to a woodland garden and they even do well in a container on the patio.?? You can prune it to any size but please don’t turn it into a tight ball and ruin it’s shape. Another plus is that it is not attractive to deer.

Variegated Mint Bush is another shrub to consider for a living hedge. Creating pleasing prostanthera_ovalifolia_Variegataplant combinations is a big part of gardening and this one would look great alongside a Fringe Flower of either color. Allow each plant to interweave and grow together. The Mint Bush will grow 4-6 feet tall and 3-5 feet high. The foliage smells very strongly like mint so deer avoid this shrub, too.

To keep down maintenance, mulch around your plants and install drip irrigation. There won’t be any pruning to do if you choose plants that grow to the height you want. Mixed hedges appeal to bees, butterflies and songbirds while also providing flowers, berries and color throughout the year for you to enjoy.

How close should you plant a mixed hedge?? Depending on the mature size of the plant spacing could be from 3-5 feet part If you want a quick, thick screen.This gives them room to breathe and develop their own shapes. Fast growing plants can be space 5-6 feet apart or more and will usually full in within 5 years.

Provide the best growing environment for the fastest results. By this I mean amending the soil at planting time if your soil is not very fertile. Cover the soil with mulch and fertilize with compost or organic fertilizer. Watering deeply when needed especially during the first three years after planting when young plants put on a lot of growth. Formal hedges are fine for some gardens but think of all the added benefits you’ll get planting a mixed hedge.

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Notes from the Garden / August

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calibrachoaThey?re called the Dog Days of summer. You know those sultry days with the hottest summer temperatures. The Romans associated the hot weather between July 24th and August 24th with the star Sirius which they considered to be the ?Dog Star? because it?s the brightest star in the constellation Canis Major (Large Dog). The Old Farmer?s Almanac uses slightly different dates but the Dog Days of summer are definitely here.

Recently I moved to Bonny Doon where gardening in the hot, sandy soil is very different than the shady clay I was used to. One thing I?ve noticed is the existing drip system has not been modified to allow for the growth of the plants. The emitters which were originally placed at the base of each plant are not even close to covering the current size of the root zone. The crown of the plant is getting overwatered with each cycle but the rest of the plant is bone dry. Time to add more emitters maybe even downsizing to half gallon ones and moving them away from the middle of the plant. No sense wasting water that?s not doing the plant much good.

As summer rolls along you may become more aware of the different microclimates in your garden. With the drier and hotter weather this year some of your plants that used to get along just fine might be showing signs of stress. Taking note of these changes in the performance of your plants is what makes for a more successful landscape. When the weather cools towards the end of September you will want to move or eliminate those plants that aren?t thriving. Be sure to keep a thick layer of mulch on the soil around your plants to conserve that precious water you do allocate to each of your irrigation zones.

The drought may be affecting our garden but it doesn?t have to stop us from being out in the garden. There are lots of things to do in the garden now. The joy of gardening can take many forms including adding wind chimes or adding a bird feeder or bird bath. Take time to groom the plants that need some cleanup. Many perennials benefit from a little haircut at this time of year to extend their blooming into the fall season. Lavenders especially will keep their compact shape by a hard pruning now. This forces new growth in the center so the plant doesn?t get woody.

Deadhead flowering annuals and perennials as often as you can. Annuals like marigolds, petunias and cosmos will stop blooming if you allow them to go to seed. The same is true of repeat blooming perennials like dahlia, scabiosa, marguerites and lantana.

These plants know they’re on this earth to reproduce. If they get a chance to set seed, the show’s over- they’ve raised their family. Try to remove fading flowers regularly and you’ll be amply rewarded.

Fertilize shrubs lightly one last time in August or early September. All shrubs, especially rose_Icebergbroad-leaved evergreens such as rhododendron, pieris, camellia, hebe, need to calm down, stop growing and harden off to get ready for the winter cold. Some plants have already set next year’s buds.

Roses especially appreciate a bit of fertilizer now, encouraging them to bloom another round in September and October. To keep them blooming make a habit of pinching and pruning off old flowers. Always cut back to an outward facing branchlet with five leaves. There are hormones there that will cause a new rose to grow much sooner than if you cut to one with only three leaves.

zinniaI grow mostly perennials but I have to admit that I?m a big zinnia fan. I remember one of my first gardens. Each year I would plant different sizes and colors of zinnias grouping them like a rainbow. Swallowtail butterflies loved them as much as I did. I spent many an afternoon, camera in hand, photographing them in action. Kids and adults alike enjoy the wildlife that?s attracted to the garden. Be sure to take time to smell the roses as they say.

edibles, Fox Island, garden design, mulching, organic gardening, Pacific Northwest

Organic Gardening in the Pacific Northwest- Part 2

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deer_Japanese_mapleLast Christmas I gave my sister a Beni Kawa Japanese maple. This tree sports even brighter red bark in the winter than the more familiar Coral Bark maple. She recently sent me a picture of a deer standing right next to it and looking? longingly at it?s next meal. Her tree wasn?t nibbled that day but I was anxious to visit Fox Island where she lives in the Pacific Northwest to check on it for my self.

The morning after I arrived I heard the neighbors next door outside in their garden chatting. I have seen their vegetable garden from outside the fence as I drove by and was curious what they had growing in there. I introduced myself and was offered fresh picked blueberries, raspberries and strawberries. ?Come by after breakfast and we?ll give you a tour?, they said. I could hardly wait.

The front of Bob and Bev?s corner lot is landscaped with perennials, flowering trees and shrubs. Everything on the property is grown organically, they told me. ?The weeds can really get out of hand up here with all the rain?, they hydrangea_paniculata_Limelightlamented. The back garden containing the edibles is fenced but the front is open to the local deer population. A massive Limelight hydrangea paniculata dominates the entry. Covered with hundreds of lime green blooms that will turn pink in the fall, Bob told me he sprays it weekly with Liquid Fence deer repellent.

White coneflower, dahlia, crocosmia, hosta and gladiola are just a few of the perennials in their landscape. Bob and Bev mix native plants with other plants they like. Native Oregon grape front_perennial_bedground cover and manzanita cover the sloping bank along with a small stand of vinca minor that is well behaved. Bev does wish she hadn?t planted the bugloss under the flowering plum but say?s the little blue forget-me-not flowers each spring are worth the effort it takes to keep it in check.

In the back, protected by a perimeter deer fence is where the edibles live.

On one side of the yard is a 40 foot stream Bob designed and built himself. Along the curving bank they have planted Oregon grape, salal, kninnikinnick manzanita and snowberry. Woolly thyme and black pussy willow also grow alongside. Wild birds love bathing in the stream. Bob used the leftover soil and rock from the stream project to construct a streammound for overbearing strawberries.

Another bed of strawberries is still producing. This one is built from timbers and amended soil from compost Bob and Bev make themselves.

The raspberry crop was great this year, Bev said. I had tasted a few and she wasn?t exaggerating.

They have an attached greenhouse, that Bob designed and built. ?Overbuilt?, they both laughed.? Bob?s an engineer and couldn?t help but design thermal windows, fans, vents and a heating system that allows them to grow back-up tomatoes in the summer and to start seeds in the winter. The double pane windows keeps the temperature inside in the 40?s without the heat having to kick on. A meyer lemon grew lush in the corner covered with blossoms and fruit.

cornBob was advised he could never grow corn in the Pacific Northwest but being from the midwest where corn is king he had to try. Their crop was just setting ears at 4 feet and will grow to 7 feet tall by the end of summer. ?They?re delicious?, he told me.

All bare soil in this organic garden is covered with bark chips. Bev told me she listens for a chipper in the neighborhood and tells them where to drop it off. They swear by this type of mulch. ?Like gold?, Bev laughs.

Bob and Bev make gardening in the Pacific Northwest look easy. Their garden is the result of many hours of pleasant work and it shows.