Posted on by tonytomeo

Median Landscapes

Gads! I have not inspected such landscapes for several years, but they still make me cringe. This recycled article most definitely conforms to the Horridculture meme for Wednesday.

tonytomeo's avatarTony Tomeo

P80311Medians are nice on the widest of boulevards. They break up the expansiveness of otherwise contiguous lanes. They make a four lane boulevard seem more like a pair of two lane roadways. Berms and other obstacles within medians limit the potential for head on collisions with traffic from opposite sides of the medians. Trees shade and cool some of the pavement when the weather gets warm. Besides all that, medians that are modestly landscaped simply look nice.

Notice that I said ‘modestly’ landscaped. There really is no need to get carried away with landscapes in medians. No one is really looking too closely at them anyway. People are driving past them, and really should be paying more attention to the road ahead rather than what is blooming to the side. Even passengers who are not driving probably are not seeing much of what goes into median landscapes. Color in such…

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Spaghetti Squash

Winter squash will grow through summer.

Winter squash grow through summer. This includes spaghetti squash, Cucurbita pepo subspecies pepo. They thrive with warmth, rich soil and steady watering, to mature in late summer or autumn. They store nicely through winter. Technically, spaghetti squash can ripen earlier in summer. However, flavor improves with a bit of age. Mature fruits can stay on their vines until the foliage gets crispy at the end of the season.

Spaghetti squash fruits resemble melons. Most types get about four inches wide and eight inches long. Color ranges through creamy white, pale tan, yellow and golden orange. Fruits with pale color tend to have milder flavor. After cooking, the otherwise solid flesh pulls apart into squiggly bits that resemble spaghetti. The big seeds within may not be true to type. Related squash hybridize freely, particularly with zucchini.

The long vines of spaghetti squash can be somewhat sloppy. This can actually be an advantage. Such vines can sneak about into otherwise unused areas, like pumpkin vines. Alternatively, they might like to climb trellises or shrubbery. They are happy to grow from mounds too, and wrap around the perimeters. Fruits on the ground benefit from occasional turning. Superfluous and fruitless male flowers are good for frying.

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Garden Rotation Shares The Goodies

Beans produce better in new territory.

Certain parts of the vegetable garden are ideal for certain types of vegetables. Wire fences are perfect for pole beans to climb. Corn belongs at the northern edge where it will not shade lower plants. Vegetable gardening would be simpler if it were like permanent landscaping. Instead, vegetable plants are seasonal and very consumptive. They prefer fresh resources. Garden rotation gives them more of what they crave.

Garden rotation, or crop rotation, is growing vegetables where they have not grown recently. For the most efficiently planned gardens, it happens seasonally. Alternatively, some types of vegetables might be happy to grow repeatedly in the same soil for a few years. Some vegetable plants are more consumptive than others. Some soils are more susceptible to nutrient depletion than others. A few variables are involved.

Furthermore, the various vegetable plants deplete distinct sets of nutrients. Conversely, they allow other nutrients to replenish. That is why garden rotation is so effective. For example, if beans grow in the same location for too long, they deplete their favorite nutrients. The nutrients that they use less of secretly replenish. Tomatoes or corn might appreciate the replenishment, without craving so much of what is deficient.

Eventually, vegetable plants can return to a location where they grew a few years earlier. Again, a few variables are involved. Some might return after an absence of only a single year. Consumptive plants, such as tomatoes and beans, should avoid a previously used location for three or more years. So should related vegetables. Peppers and eggplants are related to tomatoes, so should avoid the same used locations.

Garden rotation can also inhibit proliferation of some soil borne pathogens. In other regions, this is a more serious concern. Soil borne pathogens that infest mildly during their first year might flourish with the same host material during a second year. Garden rotation deprives them of that.

Posted on by tonytomeo · 6 Comments

Pepe

Oh, this was three years ago. I wonder how Pepe is doing now.

tonytomeo's avatarTony Tomeo

P80304Coons are not much of a problem in the garden; but they can be a problem around the home. They scatter trash, eat dog and cat food, and can be dangerous to dogs and cats. They get into places we do not want them, including basements, attics, and even our homes. Once inside, they can cause significant damage.

That is why they sometimes need to be trapped. No one wants to do it, but it is sometimes necessary.

One problem that we did not consider when putting out a trap for a coon who was getting into the trash was that we might not actually catch the offending coon. Actually, not catching the coon was not as much of a problem as who we caught instead.

Pepe got to the trap first.

Pepe was none too happy about it.

Neither were we.

You see, Pepe, who is difficult to see…

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Too Much Grapefruit

Wow, this recycled article reminds me of how much I crave grapefruit now that I am not working with them.

tonytomeo's avatarTony Tomeo

P80303KThere really is such a thing as too much grapefruit. I know; I have witnessed it more than once.

The most recent occasion was two years ago. We were pruning a few fruit trees for a client in San Jose. One of the trees was an old fashioned ‘Marsh’ grapefruit, which happens to be my all time favorite grapefruit.

As we were pruning, the client was dragging brush away to curbside recycling. Most of our clients prefer to do the ‘cleanup’ to save money. The client asked me if I would like some of the fruit. Of course, surplus fruit is one of the many benefits of our work; and of course, I told the client that I would be pleased to take some of the excellent grapefruit. I then went back to work on a nearby persimmon tree.

While busy with the persimmon tree, I was unaware of what…

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Six on Saturday: Hellebores!

This is certainly not my favorite topic. It is a long story, but to be brief, hellebores do not do so well in the chaparral climate of the Santa Clara Valley. They are happier here, just a few miles away, in the Santa Cruz Mountains. By our regional standards, they performed remarkably well this year.

1. Is this Corsican hellebore? There are only a few. They are all the same. Their neat spacing suggests that they were planted intentionally. I find this pale greenish white to be rather boring.

2. Most of the feral hellebores look like this. It is like a spotty pink, with a bit more white around the edges. The individual plants are more numerous than I remember them being last year.

3. This one is more purplish pink or perhaps pinkish purple, with those same spots. I did not notice the herd of aphid to the left. Otherwise, I would have found a more exemplary specimen.

4. Color does not seem to be represented well by this picture. I really thought that this one was more reddish purple than it seems to be, perhaps like burgundy red. I am no good with color.

5. White is, of course, my favorite, even with the reddish purple spots. This one seemed to stand upright better than most of the others. I remember it from last year, but it was not so pretty.

6. If this one did not live right on the edge of a walkway, I would guess that it is one of the cultivars that was originally planted intentionally, and produced some of the seedlings for all these feral hellebores. It is doubtful than it would have been planted there though. It is the most profuse in bloom, although that blushed white color is rather bland. It is very popular with aphid. (This is the same hellebore that was the first of my Six on Saturday for last Saturday.)

This is the link for Six on Saturday, for anyone else who would like to participate:

https://thepropagatorblog.wordpress.com/2017/09/18/six-on-saturday-a-participant-guide/

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Western Redbud

Western redbud is a domesticated native.

The thin stems of Western redbud, Cercis occidentalis, that had been bare through winter are now outfitted with an abundance of tiny but almost offensively bright magenta flowers. Rounded or nearly heart shaped leaves will become more prominent as bloom fades. As foliage yellows and falls later in autumn, coffee colored pods that are about two inches long remain until they get dislodged by winter weather. Pods can be very abundant on older or distressed plants, or scarce on young or vigorous plants.

Western redbud is typically grown as a large shrub or a small tree with multiple trunks. Mature trees may stay less than ten feet tall, and do not often get taller than fifteen feet, although they can get more than twice as tall where they need to compete with other trees. Once established, western redbud does not need to be watered, but seems to be happiest if occasionally watered through summer. Seedlings that appear around mature plants should be moved or potted while dormant through winter, and while young, since they will not want to be disturbed once they have dispersed roots.

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Natives Are Right At Home

Some native plants should stay wild.

Long before people came here and imported exotic (non-native) plants from all over the world, native plants had been perfectly happy without any pruning, watering or fertilizing. They had always been perfectly happy with local soils, local climates and even occasional wildfires. Many are still happier in the wild than in seemingly more comfortable refined gardens and landscapes.

It really makes sense though. Most exotic plants need to be watered because they are from climates that naturally get more rain. Some want to be fertilized because they are from regions with different soil types. Some plants prefer cooler winters. Others want more humidity. They crave what they would get in their respective native homelands.

However, plants that are native to California are not necessarily native to here. California is a big place with all sorts of climates and soils. For example, the desert fan palm that is native to warm and dry Palm Springs would not be happy in cool and foggy San Francisco. Big leaf maple that likes the cool winters of the Siskiyous does not like the mild winters near the coast of Los Angeles. The best natives are those that are native to a particular region, or similar region.

Also, there are a few native plants that are not so easy to accommodate in every home garden. Both the giant sequoia, which is the biggest tree in the world, and the coastal redwood, which is the tallest trees in the world, are native to California. Even if the local climate is a good fit, the space available may not be.

One of the most difficult problems for so many natives though, is that they are sensitive to the regular watering that most exotic plants require. The regular watering that lawn needs just to survive is enough to rot the roots of plants that do not expect any water between spring and autumn.

Santa Barbara daisy, penstemon and various salvias are some of the favorite native perennials. Wax myrtle and the various ceanothus and manzanitas are interesting shrubbery. Western redbud and toyon can be big shrubs or small trees. California sycamore and various oaks are big trees for big spaces.

Posted on by tonytomeo

the Good, the Bad, and they’re both UGLY!

Extreme Horridculture warning! This recycled article most definitely conforms to the meme. It is amazing that such hack jobs are tolerated and actually payed for. Believe it or not, these are not the worst examples.
There is at least one arborist in the region who performs exemplary pollarding, and maintains the sycamore that provided the illustration for the articles that I wrote about the topic earlier. It must be incredibly frustrating for such qualified professionals to see such mutilated trees!

tonytomeo's avatarTony Tomeo

P80307Pollarding and coppicing are bad words to most American arborists. These extreme pruning techniques are considered to be synonymous with topping. Yet, both have been around for centuries, and have actually kept some trees alive and productive significantly longer than they would naturally live.

Rather than redundantly explaining what pollarding and coppicing are, and why they are useful arboricultural techniques, I will provide this link to an article I wrote about them earlier: https://tonytomeo.wordpress.com/2018/02/12/pollarding-and-coppicing-pruning-techniques/

I am one of the rare American arborists who not only condone pollarding and coppicing, but I also use these techniques when necessary. I will be coppicing red twig dogwood soon so that it produces more vigorous red twigs next year, and also because we can not allow it to grow wild as a thicket. Some of my fig trees will get pollarded to make vigorous shoots for cuttings, and also to keep them contained in…

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Lettuce

Lettuce grows through cool spring weather.

On the coast between Los Angeles and San Francisco, lettuce, Lactuca sativa, seems to grow throughout the year. None of it actually grows in every season. Some varieties merely produce late enough for varieties that produce earliest to replace them. Slightly farther inland, lettuce is really only a cool season vegetable of early spring and autumn. The last new plants should finish by May.

There are many varieties of lettuce. Some are more tolerant of warmth than others. They perform well both late in their early season, and early in their late season. Others are more tolerant of cool weather. They can start early in their early season, and continue late in their late season. No variety produces through the coldest part of winter. Warmth initiates bolting (bloom), which ruins flavor.

The three types of lettuce that are most popular here are leaf, head and romaine. Leaf lettuce is the most variable. It can be blotched, bronzed or reddish, with variably ruffly texture. Some types of leaf lettuce mature in about a month. Some of the more substantial varieties of head and romaine lettuce start early, and can take nearly four months to mature. They can get to a foot wide and tall.