Prelude to Dogwood

As I reblog this old article at the beginning of April (for later in April), the dogwoods have not yet bloomed. After so much grooming during the last three years, they are even more prolific than before.

tonytomeo's avatarTony Tomeo

P80481My weekly gardening column does not have much space for everything that should be said about the various topics and featured specie. I just try to fit the most basic of information into the space available, but usually would like to fit more in.

Sometimes, I would like to fit more pictures in too. It can be difficult to select just one camellia, or just one rhododendron. I typically select those that have the best contrast for black and white pictures, just in case some newspapers must deprive them of their color. That often means that I get to select my favorite white flowers rather than their more colorful counterparts. Regardless, there are so many good pictures that do not get seen. Then, there are also many qualities of the subjects that are difficult or impossible to show in pictures.

The dogwood picture that will get posted on Tuesday is…

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Six on Saturday: What Is This?!

As I mentioned last week, these pictures were obtained a week and a day ago. The flowers were fresher then. I suspect that they are all finished or nearly so by now, although money plant is still colorful in some sheltered situations. The flower that might be California bluebell did not last long at all. I should have looked for seed, but could not find it again. This is an odd batch. I know more about what I work with here than almost anyone else, but some unfamiliar items are baffling.

1. Is this Dutch iris? It was planted years or perhaps decades ago, but only started blooming, along with freesia and ixia, after overgrowth above it was cleared. I have never grown Dutch iris.

2. Is this money plant or honesty? I honestly believe that it is money plant. Others might bet money that it is honesty. I know they are the same. I would nonetheless prefer the proper name.

3. This one I can identify as wild cucumber. It is also known as manroot. The annoyingly weedy vines are surprisingly easy to pull out. However, the massive and resilient tubers make more.

4. This is supposed to be false Solomon’s seal, but is real enough for us, since it is the only one we know. It is native, so lives in the surrounding forest and sometimes moves into landscapes.

5. What is this?! Seriously, I have no idea! It appeared on a dry roadside after the taller grassy vegetation got cut down. The foliage seems to be that of California bluebells. It is likely related.

6. I know what this is, but doubt that you do. It is from one of only two species of its genus that is native regionally. The other species is endemic to every state except for Alaska and Hawaii.

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/

Rockrose

Harsh exposure is fine for rockrose.

The few rudimentary rockroses that were available years ago have been bred into too many cultivars to keep up with. Some of the traditional types can get a few feet tall, with delightfully irregular growth, and flowers that are almost three inches wide. Most of the modern types are relatively dense, low and mounding, like a deep ground cover, with smaller but more profuse flowers. Most bloom pink. Some bloom white. After the initial spring bloom phase, a few flowers continue to bloom sporadically through summer. The grayish and aromatic foliage is not as impressive as the bloom. Rockroses want well drained soil and good warm exposure.

Shade Is Not Always Cool

Deep shade can be a problem.

Tall Victorian houses make long shadows. Lower ranch houses make shade with broad eaves. Awkwardly big modern homes shade more of their disproportionately small gardens than the others, especially since they have such tall fences to compensate for their minimal proximity to other homes. Even the sunniest of home gardens have some sort of shade.

Like various architecture, various shade trees make different flavors of shade. Silk tree, honeylocust and silver maple make broad shadows of relatively light shade. Because they are deciduous, they allow most sunlight through while bare in winter. Southern magnolia, Canary Island pine and Canary Island date palm make darker shade throughout the year.

Spots that are shaded only by the west side of a fence get warmer afternoon sun exposure than spots that get eastern exposure in the morning. Plants that are only shaded in the morning therefore need to tolerate both warm afternoon exposure and partial shade. Eastern exposures are easier to work with, since most plants that tolerate a bit of shade also like to be sheltered from harsh afternoon exposure.

Because fences lack eaves, southern exposures lack shade, and may enhance exposure by reflecting glare and heat. Southern exposure against houses and garages is determined by the height and width of the eaves. Light colors reflect more than darker colors. Northern exposures are of course the shadiest.

Whether for shade of sunny exposure, plants need to be selected accordingly. Bougainvillea, ceanothus and other plants that like good warm exposure with plenty of sunlight will not do much if shaded. Kaffir lily, hosta, rhododendron and various ferns that prefer partial shade can get roasted if too exposed when the weather gets warm and dry (with minimal humidity).

Eastern redbud, sweet bay, Oregon grape, Heavenly bamboo (nandina), various hollies, various podocarpus and both English and Algerian ivies are some of the few plants that are not too discriminating about their exposure, and will be just as happy with partial shade as with full exposure. Hydrangea, camellia, fuchsia and aucuba are nearly as agreeable, but will get roasted by harsh exposure enhanced by reflected glare from walls or pavement. All palms tolerate shade while young, but adapt to full exposure as they grow above what shades them.

Shade can change as the environment changes. Sun exposure increases if a tree or building gets removed. Remodels or newer and higher fences can increase shade. Even without such obvious modifications, large shrubbery and trees make more shade as they grow.

Halston

Again, this reblogged article does not conform to the ‘horridculture’ meme for Wednesday, since it is more about bad wildlife than about bad horticulture.

tonytomeo's avatarTony Tomeo

P80421KHalston, with the help of several friends, could make a nice pill box hat. That is the origin of the name; from pill box hate fame. This might help clarify, https://tonytomeo.wordpress.com/2018/01/27/caution/ . Yes, Halston was a gopher.

Halston was causing some significant damage that was more of a concern than fashion. Halston started by making several large volcanoes under an already distressed ‘Yoshino’ flowering cherry tree right on the edge of the main road. I really did not want any more of the roots to be ruined. I dug into the main tunnels and set traps; but Halston was very elusive, and pushed traps out of the tunnels, and left them unsprung at the surface of the soil.

Halston was very busy last weekend, creating a chain of volcanoes like the volcanic islands of Hawaii. They were right along the edge of a paved walkway, so were both unsightly and…

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English Daisy

English daisy or a British Invasion?

Garden varieties with fluffier white, pink or pinkish red flowers, and more mounding foliar growth, are popular annuals. With grooming, they might survive as short term perennials. The more familiar form of English daisy, Bellis perennis, though, is a persistent perennial that commonly infests lawns. Stems stay very low. Flowers are white with yellow centers. 

Some consider English daisy to be a noxious weed in turf. Others like its random drifts of white bloom on otherwise plain lawns. English daisy works nicely as a rustic component of mixed perennials too. The common weedy form is unavailable in nurseries, but is very easy to divide from established colonies. Once established, it is impossible to eradicate.

Bloom is most profuse about now, and can continue in random minor phases until cooler weather late in autumn. Sporadic bloom is possible during winter. Warm and dry weather during summer can inhibit bloom temporarily. English daisy prefers partially shaded sites and steady watering. Flowers are an inch wide. The spatulate leaves are less than two inches long.

Lawn Weeds Are Low Down

Lawns require significant maintenance and weeding.

Weeds are constantly a problem here. There is no season in which every sort of weed is inactive. As some annual types finish dispersing seed and die off for winter, others begin their season. Most weeds just happen to be most active as winter becomes spring. They try to stay ahead of desirable plants. Lawn weeds have been proliferating faster than turf. 

Annual weeds were easiest to pull while still dispersing roots, and while the soil was still damp from winter rain. Biennial weeds that grew last year are more firmly rooted, even if their soil is damp. Perennial weeds are most persistent, with extensively dispersed roots. Of course, as lawn weeds, all three types are more challenging than in the open ground.

Separation of weeds from turf grass is significantly more work than pulling weeds alone. It is not so easy to reach down into the roots of the weeds. Nor is it so easy to pull weeds without pulling some of the turf grass with them. The process is likely to leave bald spots. Many of the persistent perennial lawn weeds are more firmly rooted than the turf grass is. 

Dandelion is notorious for leaving bits of root behind when pulled. These bits regenerate into new plants that are even more difficult to pull than the originals. The various species of oxalis persist by various means. Some produce bulbs or offsets that are impossible to separate from the soil. Others develop thick networks of sinewy stolons that break apart.

Some persistent lawn weeds, such as plantain and English daisy, as well as many of the feral grasses, are so difficult to eradicate that they ultimately integrate into the lawns that they infest. It is simply easier to mow over them than to try to eliminate them. They never quite assimilate though, so interfere with the uniformity of color and texture of their lawns. 

Unfortunately, some lawn weeds do worse than merely compromise the visual appeal of turf. Burclover and foxtail can be dangerous to pets. Their seed is designed to stick to fur. Burclover seed structures can tangle and accumulate in long fur, causing dense matting. Foxtail seed structures can lodge into eyes, nostrils, throats and ears, or pierce soft skin.

Stag Party

No one had heard of it when this article posted three years ago; but does this suspended colony of staghorn fern look like a Coronavirus?

tonytomeo's avatarTony Tomeo

P80415Staghorn ferns are epiphytes. They cling to tree trunks, rocks or whatever they happen to grab onto. They can root into decayed wood if it is porous enough, but they are satisfied to just cling to the exterior. They do not need soil. They sort of make their own soil by collecting debris that falls from the canopies of trees above. In the jungles where they live, they get all the water they need from rain. They often live in the crotches of branches because that is where they happen to land. (The epiphyte I wrote about earlier was just a palm that landed in the wrong place, but is not really an epiphyte. https://tonytomeo.wordpress.com/2017/11/15/epiphyte/ )

In home gardens, staghorn ferns are often grown on wooden plaques so that they can be moved around like potted plants. Because it does not rain much here, they need to be watered occasionally…

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High Fashion

This tree, that I wrote about three years ago, has been gone long enough that it is difficult to imagine it crowding the newly landscaped area.

tonytomeo's avatarTony Tomeo

P80404This exquisite yet elegantly simple persimmon orange cravat is to die for! See how distinguishing it is for the Umbellularia californica sporting it! The brilliant color is so appropriate for a tree that needs to stand out in a crowd! How else would the arborists coming to cut it down find it? Yes, it is to die for!

This sort of high fashion is not normally so high. Trees that are tagged by surveyors are typically more discretely tagged with spray paint down near the ground. We just used this orange tape because we were only hastily marking a few or our own trees for removal, and nothing else.

The problem with tape in other situations is that it can be removed and applied to another tree. One of my colleagues sent his crew to cut down a street tree downtown that had been marked with orange tape, only to…

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Six on Saturday: Rhody Walks Away

The first four of my Six on Saturday are somewhat dated since they are not really from last week. It did not seem right to simply waste them. Actually, my pictures for the next two Saturdays were taken yesterday, so will also be more than a week old when they post. Perhaps I should not mention such violations. What is more important is the sixth picture here and now. It is not of particularly good quality, but it is what everyone really wants to see.

1. Laurustinus never got my attention before I noticed others sharing pictures of it. Still, I do not quite understand the allure. It is somewhat naturalized here. This one is whiter than others.

2. Fake lilac fails to impress those of us who know what real common lilac is. This runty little scrub is a trip hazard that happens to smell pretty. Its fragrance makes me crave common lilac.

3. This is the first bald cypress that I ever got to work with, after meeting the species for the first time in Oklahoma in the autumn of 2012. Sadly, this is its last picture before it got cut down.

4. ‘In A Vase On Monday’ (IAVOM) is a meme that I almost participated in for the first time three weeks ago or so. I just could not get a good picture. There is quite a bit to write about here.

5. What must I say about this one? I encounter all sorts of weird situations at work. Part of this black cherry tree is getting milled. Part of it is firewood. The process was rather ‘complicated’.

6. Rhody says the first three pictures are mundane, the fourth is too dark, and the fifth is just VERY weird. The sixth picture could have been the best, if only Rhody would have cooperated.

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/