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February To-Do’s for the Santa Cruz Mountains

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Seems to me that I'm still waiting for winter to start. I look hopefully each week at the weather forecast hoping to see a storm developing. The birds in my garden are already starting to pair up, however, and call to each other. They know  a new season has begun. So, as promised, at the beginning of each month, here's your to-do list of what you should be doing in the garden.

Each year the weather is a little different requiring some tasks to be done earlier in the month when it's been a warm winter while giving you a little extra time when it's been cold. This year we've experienced very cold nights since December so plants are still mostly dormant but spring is coming. Be prepared.

Cut back woody shrubs. To stimulate lush new growth on plants like Mexican bush sage, artemisia and butterfly bush cut back to within a few inches of the ground. Don't use this approach on lavender or ceanothus – only lightly prune them after blooming. Prune frost  damaged shrubs if you can tell how far down the die back goes otherwise wait until growth starts in the spring. Prune fuchsias back by a third and remove dead, crossing branches and interior twiggy growth. Container fuchsias can be cut back to the pot rim. Revitalize overgrown or leggy hedges by cutting back plants just before the flush of new spring growth.

Cut back ornamental grasses to within 3-6" of the ground. If  you get very heavy frost in your yard wait until the end of the month. Grass-like plants like Japanese forest grass should have all the old blades pruned off, too. You can divide them, if needed, after pruning to increase the number of plants you have.

Divide perennials before new growth starts. Agapanthus, asters, coreopsis, daylilies, shasta daisy and liriope are plants that tend to become overcrowded and benefit from dividing.

Prune established perennials later in the month if you get frost that may damage new foliage. Giving your maiden hair ferns a haircut now allows the new growth to come out fresh. Prune winter damaged fronds from your other ferns.

Begin sowing seeds of cool season vegetables outdoors. If it's been raining, allow the ground to dry out for several days before working the soil. Plant seeds of beets, carrots, chard, lettuce, peas, spinach, arugula, chives kale and parley directly in the ground. Later in the month start broccoli, cabbage and cauliflower. You can also plant starts of many of these vegetables and that stir fry will be on your table even sooner. Indoors, start seeds of tomatoes, peppers and eggplant so they will be ready to transplant outdoors in 8 weeks when danger of frost is past and the soil has started to warm up.

Fertilize perennials, shrubs and trees their first dose of organic all-purpose fertilizer for the season. Wait to feed azaleas, camellias and rhododendrons until the last flower buds start to open. Roses will get a high nitrogen fertilizer to give foliage a boost and later next month, I'll feed with a high phosphorus fertilizer to encourage blooms.

Feed chelated iron to azaleas, citrus and gardenias to green up their leaves. Cool soil makes the leaves of these plants yellow this time of year.  

Apply the last application of dormant spray. Spray with horticultural oil, lime sulfur, liquid sulfur or copper dormant spray. Do not spray 36 hours before rain is predicted. Be sure to spray the ground around each tree.
 

bare root plants, fruit trees

Bare Root for the Santa Cruz Mountains

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   Every year about this time I get excited about what fruit trees I'm going to recommend for those who want to start a home orchard or add to the edible garden. Will this be the year you get a Cox's Orange Pippin apple or an American Golden Russet? Maybe a oldie but goodie like a Golden Delicious apple will become the treasure of your family but then again there's the Mutsu, that favorite of connoisseurs, that might get the nod.

Here's why these classic apple varieties are my favorites.

Cox's Orange Pippin is an old favorite desert apple: firm but juicy with a sweet, rich flavor that's not tart. This apple has a distinctive aroma that you won't forget. The skin is unusual being orange red to bright red over yellow. Ripening in mid-late August it's a good apple for baking or eating fresh. Cox's Orange Pippin apples are self fruitful.

American Golden Russet apple is one of the great family orchard apples of the 19th century. Crisp, aromatic, slightly acidic with creamy yellow flesh that has great flavor and a legendary sugary juice. Fruit ripens in early October but will hang on the tree until frost. Russets don't need refrigeration after harvest. If kept cool they will keep until March or April. You can also dehydrate them. This tree is vigorous and has good disease resistance. Originating in New York sometime in the 1700's it has remained a favorite ever since.

Everybody is familiar with the Golden Delicious apple. It's popularity is well earned as it's both a good cooking apple as well as a great eating apple. I like them both slightly green and fully ripened. It's a reliable producer and good pollenizer for other apple varieties that are not self fruitful.

Another favorite apple of mine is the Mutsu. Very large, crisp and flavorful they ripen in late September into October. Pick this apple when green or wait until it is partly yellow. This large vigorous tree resists powdery mildew. They require a pollenizer such as Granny Smith, Fuji, Gala or Red Delicious.

No matter what  kind of fruit  you favor, be it apricot, apple, pear, cherry, fig or anything else, now is the time to shop for bare root  fruit trees  while they are still dormant.  Once leaves emerge or flower buds start to swell your tree or shrub's roots have already started growing and they won't settle in as well.  

Bare root plants are carefully dug up at growing grounds with their roots bare, meaning that most of the dirt around the roots has been removed.   One of the largest growers harvests 2 million bare root plants in a 30 day period, usually in December.

One of the primary advantages of bare root plants is that they tend to have an extensive, well developed root system as a result of being allowed to develop normally.  When the trees are handled well, the root system is left intact, and the tree, shrub, vine or berry will have a better chance of rooting well and surviving when planted.   Bare roots don't have to adapt to any differences between container soil and your garden's.

What fruit tree varieties do well here in the mountains? Well, almost everything. We have well over 500 chilling hours per winter. Most of us get 700-900 hours. What does that mean? Many fruit trees, lilacs, and peonies need a certain number of hours during dormancy when the temperature is 45 degrees or less. You can give a plant more cold in the winter and it'll like that just fine.  But fewer hours will hurt your results. Those in Santa Cruz near the coast can grow Fuji apples, for instance, but not Red Delicious. In the mountains, we can grow both.

Next week I'll cover how to plant your new bare root tree, shrub or berry.
 

Being thankful, beneficial insects, edibles, fertilizing, fruit trees, low maintenance gardening, pruning tips, soil, The Mountain Gardener

Happy New Year 2012

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Another year has passed in the garden and this is what I've learned.

  • Have a plan for how you want to use your garden. This is as important as selecting the right plants for each garden room. Allowing some empty places for new plants, transplants or garden art, makes your garden your own. Add whatever  makes you happy and your heart to soar when you're in your garden.
  • Pay attention to the size that a plant will attain. This will save lots of headaches later.
  • Pruning is free therapy. What better way is there to feel good than to improve the life of a plant?
  • Your garden journal chronicles your life as well as what happens in the garden. Making frequent entries, no matter how short, will make you smile when you read it again at the end of the year. Journal your successes and failures, making notes of plants that performed well and ideas to try next year.
  • Enjoy a beverage of some kind often in your garden. That clean up or transplanting will be there tomorrow.
  • Weed regularly. The 20 minutes you spend every week or so pulling or hoeing will save hours of back bending work later.
  • You, fellow gardeners, are unique. I can't imagine any group of people more diverse and feisty and independent than gardeners. Yet we have such a connection. We love and are fascinated with nature. We find our deepest satisfaction in coaxing plants from the earth, in nurturing their growth. We are enduring pragmatists.
  • Edible gardening offers more than just vegetables and fruit trees that feed the body. They are better than a whole medicine cabinet of pills.
  • Accept a few holes in a plant: Unless it is being devoured, share a little with other creatures.

Happy New Year 2012 from The Mountain Gardener

 

color in the garden, fruit trees, perennials

August to-do’s

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In case you haven’t been keeping track, summer is winding down. True we will be enjoying great weather for months to come but nature uses daylight hours to mark its calendar. And even though I’m busy visiting reader’s gardens, camping, hiking and painting there are some tasks I need to in my own garden.

Around this time of year, annual and perennials in containers and hanging baskets can become leggy with flowers only at the end of long branches. At the same time, overly rambunctious growers can overwhelm neighboring plants, crowding or even suffocating them for lack of light and air.

Renew them by cutting back about half of the stems 2/3rds of the way to the base. When those stems grow back and begin to bloom in about two weeks, cut back the remaining stems the same way. While you’re at it, cut back aggressive growers as far as necessary to give surrounding plants space for healthy growth. Fertilize with a soluble plant food to keep them blooming through October.

Deadhead flowering annuals and perennials in the ground as often as you possibly can. Annuals like zinnias 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 September if you haven’t already done so this month. All shrubs, especially broad-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.

Here are more to-do’s for late August for this area:

Prune fruit trees that have already finished fruiting. Wait to prune others until after harvest, although many see summer pruning as a way to thin an overabundant crop.  Summer pruning opens the tree to light, producing bigger, healthier fruit. Overall summer pruning will slow the growth of a tree by removing energy wasting water sprouts, helping keep dwarf trees a manageable size.

Sow root veggies such as beets, carrots. leeks, onions and parsnips directly in the ground and start germinating cool-season veggies- broccoli, cabbage, cauliflower, chard, lettuce, and spinach -so they are ready to plant in mid-September.

Now that you’ve taken care of your chores reward yourself by adding perennials to your garden for color in late summer through fall. Good choices include aster, chrysanthemum, coreopsis, gaillardia, gaura, Japanese anemone, echinacea, rudbeckia, Russian sage, scabiosa, Mexican marigold, verbena ad yarrow.
 
Blooming shrubs  that will flower well into fall are abutilon, blue hibiscus, butterfly bus, cape fuchsia, plumbago, lavatera, princess flower and salvia.

flowering shrubs, Flowering trees, flowers, fragrant plants, fruit trees, garden design, vines

A Private Arboretum in the Santa Cruz Mountains

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Recently I had the honor to tour a remarkable garden in Scotts Valley. This horticulturalist calls himself a hillbilly gardener but he is no such thing. Some of his plants come from as far away as Oklahoma, Texas and Hawaii. What a thrill to see spring growth emerge from the new leaves of his unusual trees, flowering shrubs and perennials.

Our first stop was to admire his large collection of echium candicans or Pride of Madeira. These stately shrubs reach 5-6 ft tall and 6-10 ft wide so they make quite a show when the huge flower clusters are in full bloom. Being deer resistant and drought tolerant they are perfect for our mountain environment. The color of the spikes varied from pink to lilac, sapphire blue and purple. This gardener is resourceful. He got many of his seedlings along Hwy 17 where they had reseeded after being used as brush to stabilize the slopes after the ’89 earthquake. The bees were really happy visiting the hundreds of blossoms on the beautiful spring day that I was there.

Tucked under wild cherry trees collected in Texas, are second generation iris of dark purple and pure yellow. Originally from his grandmother’s garden in Virginia, these iris are descendants from a light blue variety and a pale yellowish-beige douglas iris.

This extraordinary gardener also has a huge wild rose from Missouri covered now with fragrant white flowers, a wild olive from Texas and a sand plum from Oklahoma.  There is a yucca about 4 ft tall that he and his brother started as cuttings when they were teenagers in Port Arthur, Texas. He is also the proud father of a couple of bald cypress complete with "knees". This tree of southern swamps and other low nutrient areas grows woody projections above the ground or water level to act as a structural support and stabilizer allowing them to resist very strong winds. Even hurricanes rarely overturn them.

A beautiful Canary Island palm, planted from a seedling in 1996 that he had nurtured in a gallon can, is now over 9 ft tall.  Akebia vines grow up oak trees, passiflora and white wisteria vines up redwoods, a yellow banksia rose rambles up into a madrone and madevillea laxa is happy growing up an oak, too. A willow-leafed hakea salicifolia, indigenous to New South Wales and Queensland, graces his entry with its tiny, white fragrant flowers.

Other trees this gardener loves include Causarina, native also to Australia, sugar pine, incense cedar, Western red cedar, deodar cedar, staghorn sumac and a maytens tree.  His mother in Pennsylvania taught him to plant his first garden at age 4 and he cherishes his Eastern white pines, pinus stroblis, and giant sequoias, three of which he grew from seed.

And I can’t forget his collection of salvias. The red flowers spike of salvia confertiflora bloom year round. The beautiful salvia mexicana will soon to be covered with rich, blue flowers. He also grows salvia chiapensis and a salvia-like plant native to Hawaii called salvia lepechinia. This deliciously scented plant will be covered soon with reddish lavender lipstick-like flowers adored by hummingbirds like all the salvias.

A new greenhouse where he has a small collection of orchids will soon house new seedlings that are sprouting in a germination station under lights. Of the many Hawaiian seeds he has collected are maile, a flowering plant that is probably the oldest and most popular material used in leis by early Hawaiians, milo- a chocolate and malt powder popular in many parts of the world, gossypium tomentosum, coral vines, hibiscus and the koa tree.

There were hundreds more cool plants I learned about and got to admire that day. I’ll be visiting this garden again and again for the next round of wonders. it’s a marvel.

 

beneficial insects, berries, fruit trees

Warm Spells during the Winter

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Everyone’s talking about the wonderful weather we’ve been enjoying the past few weeks. Spring is in the air. Or is it? Whether you like to putter in the garden or be out hiking, the warblers are calling to you. But is it unusual to have warm weather around here in January? Not at all. Just last year before the rains started we had several weeks of Caribbean-like weather. Back in 2009 during the first two weeks of January temps were in the 70’s and low 80’s. Don’t worry. Mother Nature knows how to adjust to changes in the weather- slowing down when it’s really cold and catching up when it’s mild.

Most plants will acclimate to a gradual return to more normal cooler late winter temperatures. We’re lucky here that we don’t get snow ’cause that’s when nature can really deliver a wallop to tender new growth and buds. If winter remains mild plants may bloom a little earlier. Lilacs, apples and grapes, for example,may flower a week earlier. Weeds can really become aggressive and pests and diseases that were held in check by the cold may become more of a problem. Lifestyles of beneficial insects may get out of sinc with the pests they help control.

Plants make the most of warmer weather. Lawns and other groundcovers, for instance, benefit from warm temperatures in winter. Root growth is encouraged in existing areas and young seedlings  planted last fall become established quicker. If temperatures return to winter norms, grasses will "harden off" and be fine in spring.

Fruit trees usually have no problems with a warm streak. A prolonged warm spell could cause low-chill varieties of peaches, plums and cherries to break bud and flower but these conditions are rare.

It’s a similar story for ornamental trees and shrubs. "Most woody plants have evolved to deal with a brief spell of unseasonably warm weather," says Nina Bassuk, woody plant specialist and director of the Urban Horticulture Institute. Buds won’t open during the first warm spell and then get killed by a return to cold temperatures because buds require a period of cold temperatures to break dormancy. Only some may begin to flower prematurely and risk losing those flowers but the long-term health of most plants probably won’t be affected.

Strawberries are oblivious to the weather. Blackberries and some raspberries are another story. Like some fruit trees, their chilling requirements may have already been met, their buds are swelling and they’re ready to take off. A rapid chill could freeze the buds and canes begin to die from the top down. But even if the entire cane dies, healthy new canes will emerge in spring. The early summer berry crop could be lost but fall berries will be fine.

Most bulbs and perennial flowers should come through a warm spell just fine. The buds of these plants are at or below ground level and often protected further by mulch or leaves. Even if temps return for below freezing, late winter cleanup of old stems will get rid of any winter dieback.

Enjoy this hint of spring. It won’t last for long.