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Rhus diversiloba / Toxicodendron diversilobum

This probably qualifies for Horridculture on Wednesdays, but for whatever reason, I did not categorize it as such at the time.

tonytomeo's avatarTony Tomeo

P81209This would be a good topic for one of my rants on Wednesday, except that it is too silly for that.

Many years ago, before I started writing my gardening column for our local newspapers, my colleague Brent and I used to exchange funny newspaper gardening articles. Some were obviously not written for local climates. Some were just very inaccurate. Back then, it was done by mail, so the articles were added to anything that we happened to be sending to each other at the time. If I sent him some seeds, I would add an article or a few from the San Jose Mercury News. If he sent my cuttings, he would add an article or a few from the Los Angeles Times. They eventually became the inspiration for my gardening column, when Brent and others told me that rather than making fun of the inaccuracies of the articles…

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Six on Saturday: No Theme

There was a theme when I assembled these six pictures. I just can not remember what it was now. I am very happy with the three species from Del Norte County, #3, #4 and #5. #6 is my favorite though. It was so unfortunately necessary to remove the venerable old trees. It was necessary to remove their suckers too. I combined the two unpleasant tasks in a rather satisfying manner. There was absolutely no indications that the original trees were grafted. I looked for unions. I was informed that the suckers were visually identical to the original trees. I hope that the suckers that I transplanted within the centers of the decayed trunks will grow into trees that are new copies of the original trees!

1. Brugmansia X candida ‘Double White’, angel’s trumpet is a copy of the specimen at el Catedral de Santa Clara de Los Gatos. It somehow got frosted! Frost happens even here.

2. Yucca recurvifolia or Yucca gloriosa var.(iety) tristis, pendulous yucca is blooming at an unoccupied residence where only a few neighbors see it. It tastes like iceberg lettuce.

3. Abies grandis, grand fir was brought by another horticulturist here, from the extreme northwest corner of California, literally on the coast, barely south of the Oregon border.

4. Picea sitchensis, Sitka spruce got collected with the grand fir above and the bear grass below. I am very pleased with these species, but do not know where to plant more trees.

5. Xerophyllum tenax, bear grass came with the two tree species above, but will be easily incorporated into landscapes here. I am unfamiliar with it, and intent to get acquainted.

6. Prunus serrulata ‘Beni Hoshi’, flowering cherry was so severely decayed that only the outer shell of its stumped trunk remains. The twig in the center is its own rooted sucker! 

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/
Posted on by tonytomeo · 2 Comments

Dragon Wing Begonia

White blooming dragon wing begonia are still quite rare.

The modern hybrid of wax begonia and angel wing begonia, known as dragonwing begonia, wants to be out in the garden like wax begonia, but like angel wing begonia, needs to be sheltered from direct sun exposure in summer. This time of year, it also needs shelter from frost. It gets two or three feet high and wide, and makes quite an impressive display with abundant red or pink flowers against glossy foliage. A white blooming cultivar became available only recently. Pruning scraps are easy to root as cuttings.

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The Need For Seed

Seed for some pines is easy to collect as their cones open during warm summer weather. However, some pine cones must be dried or even heated to release their seed.

Lily of the Nile is so easy to propagate by division of congested old plants that not many of us bother to grow it from seed. No one wants to leave the prominent but less than appealing seed pods out in the garden long enough to turn brown and ripen after the blue or white flowers are gone anyway. Besides, only the most basic old fashioned varieties reliably produce genetically similar seed, and even these often revert between blue and white. Yet, collecting seed for propagation is still an option for those who do not mind the risk of genetic variation.

The natural variation of flower color among seedlings of some plants can actually make gardening a bit more interesting. No one really knows if naturalized four o’ clocks will bloom white, yellow, pink or red until they actually bloom. The few types of iris that produce viable seed almost always produce seedlings with identical flowers, but oddities sometimes appear. (Most bearded iris have serious potential for genetic variation, but do not often produce viable seed.)

Cannas are likewise likely to produce seedlings that are indistinguishable from the parents. However, seedlings of many of the fancier cultivars are often variable. Their seed are very hard so should be scarified before sowing. However, I find that I get so many canna seeds that even if less than half germinate without scarification, there are too many anyway! (Scarification involves scratching or chipping the hard seed coat to promote germination. It can be as simple as rubbing the seeds on a file or sand paper, but should not be so aggressive that it damages the seed within.) 

African iris are just as easy to divide as lily of the Nile are, and are as easy to grow from seed as naturalized four o’ clocks are. The difference is that they lack genetic variation, so are always indistinguishable from their parents. The only problem is that they are so easy to propagate that they can soon dominate the garden.

If seed capsules have not been groomed from the various perennials and annuals that can be grown from seed, or if they have been left out in the garden intentionally so that they can ripen, this would be a good time to collect them for their seed. (Four o’ clocks should have been collected earlier though.) Seeds from certain trees, such as silk tree, redbud and the many specie of pine, can likewise be collected. Most seeds prefer to be sown about now to chill through winter, since cold winter weather actually promotes germination when weather warms in spring. However, seeds for annuals and frost sensitive perennials, like cannas, that might germinate early and get damaged by frost, should probably wait until the end of winter to get sown.

Posted on by tonytomeo

Horridculture – Disdain For Bloom

Oh my! This recycled article is difficult to revisit. These flowering crabapples are in even worse condition after three years of abuse. Meanwhile, the so-called ‘gardeners’ who so dutifully destroy them have not bothered to remove or even prune a feral glossy privet that grew among them and is now dominating.

tonytomeo's avatarTony Tomeo

P81212From the same landscape that, last autumn, was so dutifully deprived of its elegantly cascading rosemary and soon to be fiery autumn color of Boston ivy, https://tonytomeo.com/2017/11/05/serously/ , I procured these disturbing images of what results from of a serious disdain for flowering crabapple bloom. These trees were mentioned earlier in that article, but without such images. Similar victims were discussed last spring, https://tonytomeo.com/2018/03/07/the-good-the-bad-and-theyre-both-ugly/ and about a year agohttps://tonytomeo.com/2017/12/06/sculpture/ .

The landscape where these trees live was actually rather well designed, and for a few years, had been well maintained. Seriously! The flowering crabapples were likely selected because they would not get tall enough to encroach into the utility easement above. There were pruned as much as necessary to prevent them from developing into a nasty thicket like young flowering crabapples typically do, but without significantly compromising the spectacular bloom. They really were spectacular!P81212+

About six years ago, a…

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Torch Lily

Torch lily might bloom for autumn.

Technically, it should bloom during spring and summer. Torch lily, Kniphofia uvaria, does not seem to know that though. Some bloom for late summer. Most are presently in bloom. Old fashioned sorts that survive without irrigation may bloom through winter or whenever they want. Modern cultivars are likely more predictable and punctual with their schedule. 

Torch lily, or red hot poker, blooms with densely conical floral spikes of many narrow and tubular flowers. Bare stalks boldly support bloom as high as five feet. The grassy foliage below forms dense mounds that should not get much higher than three feet. Established plants can survive without watering, but appreciate it through the arid warmth of summer. 

Floral buds are generally orange as they develop, and then fade to yellow as they bloom and age. Since floral spikes bloom upwards from the bottom, they are yellow at the base, and orange at the tip, like candy corn. Some cultivars are more reddish orange at the tip, or creamy white at the base. Others are rather uniformly orange, yellow or creamy white.

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Chill Helps Plants Distinguish Seasons

Spring bulbs know what chill means.

The Santa Clara Valley was formerly famous for stone fruit orchards. The San Fernando Valley was formerly famous for citrus orchards. The Wenatchee Region of Washington is still famous for apple orchards. Many variables influence which agricultural commodities grow or grew in each region. Of these, one of the more obvious is temperature and ‘chill’. 

Citrus could not be productive in the Wenatchee Region because it could not survive the chill of winter there. Although productive in home gardens of the Santa Clara Valley, it is not quite as productive as it is where winter is warmer in the San Fernando Valley. Citrus appreciates warmth but not chill. Many tropical and subtropical plants feel the same way. 

However, many of the numerous cultivars of apple that are so famously productive in the Wenatchee Region would be unproductive in the Santa Clara Valley. Only a scant few of these might produce relatively meagerly in the San Fernando Valley. Unlike citrus, which dislike chill, apple trees need chill for production. Some cultivars need more than others.

Chill regulates the schedules of many plants that are originally endemic to climates with cool winters. It confirms the occurrence of winter, which is a convenient time to finish one annual cycle and begin another. Some plants require only a minimal chill. Those that are from climates with harsh winters require coercion by more significant and sustained chill.  

One of the primary reasons that spring bulbs are available for planting early in autumn is that some benefit from spending winter in a cool and damp garden. Although, most bulbs are chilled prior to marketing. Some previously chilled spring bulbs bloom splendidly for their first season, but then bloom unsatisfactorily if chill is inadequate for them afterward.

Most plants that need more chill than they can get locally are simply not available locally. Some are available online though. A few locally popular plants that are marginal for mild climates get confused by the seasons. This is why some flowers such as torch lily, bloom randomly or out of season. Daphne and some late winter flowers may be blooming now, and could get damaged by frost later.

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Tufts

This might look like it should post for Horriculture on Wednesday, but it is not as bad as it looks.

tonytomeo's avatarTony Tomeo

P81208KKThe tufts of small branches that so often develop where limbs were pruned from the trunks of a coast live oaks are sometimes referred to as ‘tumbleweeds’. They are about the same size as an average tumbleweed. By the time the get any larger, most of the smaller stems have subordinated and died out, leaving only a few more defined dominant stems, which will continue the process until even fewer or a single new branch dominates. Such tumbleweeds, as well as stems that originated from such growth, are weakly attached to the main trunks. They often get pruned off for the same reason that the limbs that were there before got pruned off, or because they are expected to be weakly attached. If they remain long enough, they can of course develop into new limbs.

Tufts of the same sort of growth on sycamores or other deciduous trees are known…

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The Humongous Fungus Among Us

Although naturally occurring, root rot is enhanced within refined landscapes by supplemental irrigation, particularly excessive irrigation.

tonytomeo's avatarTony Tomeo

04Is this Armillaria mellea, the dreaded oak root rot fungus? I really do not know. All the elements are here. The stump is that of a coast live oak. Bellow the stump there are the remains of roots. Those necrotic roots are undoubtedly decomposing as a result of rot. That rot is undoubtedly associated with this fungus. Furthermore, it fits the description of oak root rot fungus. The toasted spots were probably caused by weathering as the mushrooms started to develop while the weather was still warm and dry.

Now that the soil and rotting wood are damp from rain, this fungus is really proliferating. The individual mushrooms within the soccer ball sized mass were only about as big as those at the lower left margin of the picture just prior to the rain. They do not last long, and might become gooey black slop after only a few…

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Six on Saturday: More Bad Recycling (Even More)

This is the season for digging and relocating crowded or redundant plants. Most of them get recycled directly back into other landscapes, so that there is no need for the extra work of canning and storing them. Most of the daylily (#1) were simply relocated with only a few leftovers for canning. Bamboo (#2) and perennial pea (#4) were actually canned earlier in the year. Ponderosa lemon (#5) is a rooted cutting (which is ungrafted and therefore ‘on its own roots’) that I grew from a pruning scrap. I have no idea of what to do with it. I really should limit all these recycling projects to plant material that is actually useful.

1. Hemerocallis, daylily, migrated too aggressively, so needed to be removed from under benches and other perennials. More of another cultivar got dug where an old sewer pipe was replaced.

2. Phyllostachys aurea, golden bamboo, appeared within an unrefined landscape, and wasted no time migrating. It should have been killed and discarded rather than canned live for recycling.

3. Salvia mellifera, black sage, layered a few copies from an original specimen that was planted intentionally. It is native here, but unpopular. Some find the foliar aroma to be a bit too strong.

4. Lathyrus latifolia, perennial pea, is a persistently and invasively naturalized exotic species. In other words, it is a weed. I canned this and three copies of another, because they bloom white.

5. Citrus x pyriformis, ‘Ponderosa’ lemon, is not really a lemon, but is a weird hybrid of pomelo and citron. The fruit might weigh five pounds. What can I do with just one five pound ‘lemon’?!

6. Felis catus, Darla, only allowed me to get this picture by zooming in from a distance. She tolerates Rhody, but hates me. She protects cuttings and seedlings from rodents and perhaps birds.

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/