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One of our flagship deep nature gardens is called “birch corner.” It has been taking shape since late summer of 2013. With the help of some good tree work from our licensed friends and some power tools wielded by the client, we took out a dead old lawn under a big pistache tree, pruned the tree back to let in more light, and drastically limited a birch (the garden’s namesake tree) that was also stealing light from the garden area below.

The ground under the pistache was shaped into hills and valleys, and a lot of beautiful rocks were added to create a walking path and many step-able access points.

In the past year the garden has grown a wide variety of interesting plants. Some, like several varieties of blueberries, spreading patches of bidens, and yellow lantanas were deliberately planted. But many more, like the fluorescent orange zinnias, burgeoning arums, and drifts of small tree saplings emerged on their own from seeds already present in the soil.

Let’s have a look around!

 

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Above: Viewed from the street, the right (west) side of the garden includes the namesake birch tree at the far right. At the extreme right side of the picture is a wooden fence shading that side, with a climbing rose on it. In the spring and summer this fence is also covered by sweet pea vines, deliberately planted and just now sprouting back up from last year’s dropped seeds.

In the middle of the picture are two large clumps of yellow-flowering bidens, which will soon be limited back before they take over even more space. A clump of hair grass stands at the top of a low berm, and in the back against the fence is a young apricot tree. Also visible are a few rocks and some logs slowly decaying into the ground (trimmed from the pistache tree above).

Below: A closer look at a spreading patch of bidens, with an orange zinnia peeking in at the right.

 

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Below, a patch of cyclamen that was planted last winter near the shady base of the back fence is still thriving and blooming. The base of the apricot tree is at left. A closer look shows many little sprouts of new cyclamen. It looks like it is naturalizing nicely.

 

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In this first year at birch corner we are still encountering a variety of vigorous volunteers that will need to be either limited or removed completely. Among these are the many sprouts of variegated arum, almost all of which will have to go.

There are two (non-chemical) ways of removing arums. The first requires patience – simply pull out all the leaves as they appear, until the tubers below run out of steam. But that method takes some persistence. In coming weeks and months we’ll use the faster approach which is to dig down and actually remove the tubers.

Below, a sampling of the arums at birch corner. Each one has its own particular pattern of leaf variegation. We’ll save a few of the most interesting ones, but they will be kept under control. Some may be moved into containers, where their invasive nature will be tamed and we can enjoy their beautiful leaves, flowers, and the seed heads with their bright red seeds.

 

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Birch corner is a forest floor ecosystem, heavily influenced by a dense drop of leaves from the pistache tree every autumn. Those leaves contribute to a gently acidic soil type, which favors plants like the blueberry showing its fall colors in the picture below.

 

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Here in California, autumn marks the beginning of the winter growing season. At birch corner, one sign of the coming winter is thousands of tiny sprouts of petty spurge and a few other low growing annuals. These will fill in, forming a beautiful green carpet that competes with leaves falling from above.

 

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We leave you with a few more of the many interesting new kinds of plants coming in. How many of these can you identify?

 

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It’s spring and the gardens are growing quickly now. On the upstairs deck the container garden is full of interesting plants, some known and some still unknown. It’s fun to watch the little unknowns grow up and (hopefully!) bloom so that they can be identified. Here are some of the most interesting containers in the current collection.

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Remember “a year with strawberries and holly“? That same container (above) has just received its fourth (or is it the fifth?) full thinning and pruning. The holly tree has just finished its first bloom, and it turns out to be a female. The inconspicuous green berries are in there among the spiky leaves, but it’s not yet clear whether any of them were properly fertilized. Meanwhile, the strawberries are just beginning yet another vigorous growing season. Various other plants are present in the pot, one of them hanging beautifully over the right side.

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Above, a medium size pot contains a gorgeous spray of lamb’s quarter, past the edible stage – for humans, that is. Various small birds visit regularly to feast on the tiny seeds. Some stringy chickweed quests out into the air on the right side.

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Above, a pot on the sun-drenched railing. This one also contains lamb’s quarter but the plants are much smaller. Why? For one thing, this pot gets less water than the other. This pot also has a healthy growth of sedum, a succulent that loves dryish conditions and is actively competing with the lamb’s quarter. Small they may be, but these lamb’s quarter plants also attract seed-hungry birds.

140412-0846At right, a container of various low-growing plants also holds some tall, thin purple kale plants. These graceful, deliciously edible beings have been popping up in many of the containers lately. Some were planted as seeds on purpose, but many, like these, are volunteers that came in with the eco-mix used to start the container. These will not last much longer because I will be eating them soon!

Kale is basically cabbage (Brassica oleracea) that doesn’t form a head. Among the huge group of human-evolved cabbage kin (including broccoli, cauliflower, brussels sprouts, and many more excellent veggies) it is one of the closest to the original wild type, which is part of the reason it is so easy to grow.

If you have a container garden, plant some kale! It pops up right away and grows in almost any soil. It loves direct sun but also grows (more slowly) in part shade. You can eat all of the tender young plants (except the roots) – just clip it off right at the base. These purple beauties have a sweet, slightly spicy taste.

Below, a closer look at those dark, vitamin-rich leaves:

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140412-0848At right, one of two pots holding some purple-flowering irises harvested from the big stand in the front garden at little yellow house.

This amazing strain of irises seems to have no respect for the seasons. Unlike all the rest of the irises in the collection, they bloom whenever they feel like it, all year round.

There are some downstairs in the ground that just finished a bloom cycle, which is normal for irises at this time of year. But they also bloomed in December, and there were even some blooming during our hard frost. The flowers got zapped, but the buds waiting below just kept on coming. Within a few more weeks, they were blooming again. Crazy plants!

Irises come in two main groups, the bearded irises (like these) that grow from knobby corms right at ground level, and the bulb irises that grow from bulbs under the ground.

Would you like some of these ridiculously eager bloomers? Get in touch! You can have one of these two pots, just come by and get it. There are plenty more where these came from!

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Above, a recently thinned pot, one of the most valued ones. Why? It contains a May apple plant (the two tall leaves), and a California native orchid (the grassy leaves) whose specific ID was forgotten a couple of years ago. If the orchid blooms again (as it did two years ago) I’ll be able to re-identify it. There is also a sweet little strawberry in this container.

I thank my good friend Judy L for donating the May apple and orchid to the collection.

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Remember the “happy springtime raspberry bush?” It’s still alive and thriving! There were a couple of tough winters, but after a full thinning of invasive creeping oxalis, this container has renewed itself with the lush green raspberry canes and a healthy carpet beneath of tiny dichondra leaves.

The creeping oxalis is not completely vanquished – the little 3-lobed leaves still keep emerging, but I have been plucking them out with great persistence. Will it be possible to entirely clear this container of oxalis? I don’t know, but I’m sure going to give it a try!

140412-0851At right is a fascinating little woody sapling that volunteered in a partly shaded container. It is a slow grower that seems sensitive to too much direct sun. It is placed so that it is sheltered by the overhang of the railing, where it gets about 2-3 hours of direct sun every afternoon.

Is it some kind of spice? Is it an ornamental plant? Is it a tropical fruit of some kind? In case you’d like to help me ID this plant, it is evergreen and the new leaves every spring start out covered with a dense pinkish-white fuzz.

Whatever it is, this plant is the only one of its kind I’ve spotted so far, and it will be carefully nurtured! This year it is about 5 inches tall, and it has just split its growing point, resulting in two branches at the top. Will it bloom? Stay tuned for further updates on this fascinating stranger.

Below, a large container that has been allowed to “go jungle” with feverfew stems reaching up and Kenilworth ivy spilling over the edge. The feverfew will soon bloom with hundreds of small daisy-like flowers. It’s super easy to grow and reseeds very well, but needs to be controlled in an open garden.

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I hope you’ve enjoyed this tour of some deep nature container gardens. Thanks for coming along!

Remember the many-flowered feverfew in its massive, blooming glory?

In most traditional gardens such a plant would be cut back or completely removed once its main flowering burst is done. But in this deep nature garden, many plants are allowed to have a full, natural life.

In this case, the fading flowers on top have gone to seed, and the seed heads have now begun attracting new kinds of bugs and even some small birds who seem to be eating the seeds.

Meanwhile, new stems have sprouted from the base among the earlier ones, bearing even more of those happy little flowers.

Now this healthy feverfew not only hosts pollinating insects, it also shelters a whole new community of critters on its old seed heads.

Will the new shoots keep coming in, or will this honored plant eventually die a normal death, after its long blooming and fruiting season? Either way, tiny new feverfew plants are now sprouting all across the garden.

This healthy feverfew plant (Tanacetum parthenium) (Wikipedia) sprang up last winter from a random seed right at the end of the stone walkway. For months I didn’t know what it was – beautiful, finely divided leaves on a plant with a lush, balanced shape. It got bigger and bigger, as did my curiosity about it.

Now that it’s blooming, it has attracted a variety of tiny insects including thread-thin “looper” caterpillars that inhabit the flowers, eating only their petals. Also present, very small golden-brown metallic looking beetles – can you see the beetle on the upper right flower in the picture below?

Feverfew flowers also seem to be quite attractive to syrphid flies (flower flies). There are almost always two or three of them hovering in the air near the plant, or resting on the flowers.

Here’s a post with a picture of a syrphid fly.