Self Grafted Redwoods

Redwoods are always fascinating, even without silly habits such as this.

tonytomeo's avatarTony Tomeo

P91019KRedwoods are some of the most stable trees in the World. That is partly why they can survive for thousands of years. In my entire career, I have seen very few fall, and only inspected two.

Of those two, one fell because it had co-dominant leaders (double trunks) that fell away from each other, which is more of a structural deficiency than instability. The other, which I suspect was demonically possessed, was a small tree less than thirty feet tall, that literally jumped up out of the ground and onto an Astro van more than ten feet away. A rare ‘updraft’ was blamed.

Almost all of the redwoods here regenerated from the stumps and roots of much older trees that were clear cut harvested a century or so ago. Most of those that grew back with structurally deficient co-dominant leaders are very effectively sheltered from wind by their collective groves…

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Six on Saturday: Long Story

The Seventh Rule of Six on Saturday suggests that verbiage regarding pictures should be reasonably limited. I prefer to limit mine to three hundred words, although I sometimes exceed this limit. I certainly would have exceeded this limit this week if I had explained, for example, why I want so many new flax lily, what we intend to do with another lemon gum, why I intentionally plant elderberry seedlings and promote better pollination while so many grow wild, what our options for yellow flag are, why a perfectly good apple tree remains canned and underappreciated, and what justified a pair of white bougainvilleas. Perhaps I should limit words within individual sentences as well as cumulative verbiage.

1. Dianella caerulea, flax lily has been a notably reliable perennial. I know nothing more about it. I am not even sure of its identity. Grooming scraps make good cuttings though.

2. Eucalyptus citriodora, lemon gum came back with me from the Los Angeles region. It has a bad reputation as a Eucalyptus. My colleague here and I are very fond of it though.

3. Sambucus caerulea, blue elderberry seedlings grow like weeds. I can them though, to later install them where I want them, and because they pollinate a bit better than clones.

4. Iris pseudacorus, yellow flag can be invasive within riparian situations. I really craved it though. A colleague here got it for me from a roadside ditch. Now what do I do with it?

5. Malus domestica, ‘Golden Delicious’ apple is not exactly my favorite. It lives here in a can though. Perhaps it will go live in a garden this winter, where it can make better fruit.

6. Bougainvillea ‘Barbara Karst’ came with a pair of white Bougainvillea ‘Mary Palmer’s Enchantment’ from the Los Angeles region. It is unplanned. It is such the classic though.

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/

Anthurium

Anthurium seem to be upholstered with vinyl.

The diminutive and indistinguishably dense flowers of Anthurium are surprisingly pathetic relative to the flashiness of the ‘spathe and spadix’ structures that accompany them. The spadix is the generally conical structure that supports and is covered with the flowers. It is most often pale shades of white, yellow or green, but can be pink or purplish. The spathe is the solitary, colorful bract that surrounds the spadix. It is most often white, red or burgundy, but can be orange, pink or pale shades of yellow or green.

There are nearly a thousand known specie of Anthurium. Most but certainly not all have glossy foliage. Leaf shape and size is as variable as flower color. Most Anthurium are terrestrial understory plants that grow below higher canopies of tropical mountain forests of Central and South America. Others are epiphytes that cling to trees, or lithophytes that cling to rock outcroppings.

Around the home, they are mostly grown as houseplants as much for their rich green foliage as for their colorful blooms. In the garden they need shelter from direct sunlight and frost. Blooms, and perhaps other parts, are toxic.

Spring Bulbs Begin In Autumn

Daffodil bloom is not in season, but their dormant bulbs will be soon.

Even before winter begins, it is time to plan for it to end. Bulbs (including corms, tubers, rhizomes and tuberous roots) of many of the earliest spring flowers that bloom while the weather is still cool late in winter should begin to get planted about now. They are still dormant and not all that impressive yet, but have already stored everything they need to be ready to bloom as soon as they think it is time. Since the weather will be getting cooler through autumn before it gets warmer at the end of winter, even the earliest blooming of spring bulbs will stay dormant for a while, and have quite a bit of time to slowly disperse roots before their foliage eventually peeks through the soil.

Bulbs planted later will likely bloom later, which is actually an advantage for ‘phasing’ bulbs. Like vegetables, bulbs can be planted in phases every two or three weeks, depending on the duration of the bloom cycle of the particular bulbs involved. As one group finishes blooming, the next group starts blooming. Bulbs become available when it is time for them to be planted, and generally remain available long enough for a few phases to get added later when convenient, although there is always the threat of particular varieties getting sold out later in the season.

Phasing is only effective in the first season, since bulbs get established after their first bloom cycle, and will subsequently be on the same schedule as all their friends of the same variety. Bearded iris, calla, anemone and rananculus are not conducive to phasing, but instead bloom at a particular time, regardless of when they were planted.

Narcissus, daffodil, grape hyacinth, bearded iris and classic white callas are the most reliable of spring bulbs, and the most likely to naturalize, although bearded iris and callas will probably bloom quite late in their first year. Crocus, freesia and harlequin flower are almost as easy to grow. Anemone, rananculus, hyacinth, lily, tulip and the small colorful callas are tempting, but are not as reliable after their first year because the seasons are so mild here.

Horridculture – Sign Up

While in Los Angeles earlier, I noticed this to be a major problem, but around the many billboards, for which few trees get tall enough.

tonytomeo's avatarTony Tomeo

P91016Perhaps the signs should be down instead. They are obscured by the crape myrtles where they are now. They would be more visible if they were either higher or lower, but not in line with all these trees. The trees were planted only a few years ago, but have done very well. Lodgepoles need to be removed. The specimen to the left is recovering well from earlier disfigurement.

Selection of trees for parking lots is not easy. Such trees must disperse complaisant roots that are not likely to displace pavement or curbs. They should should be reasonably high branched and conducive to pruning for clearance above parked cars, and where necessary, for delivery trucks. Excessive floral or foliar mess would be a problem. So would fruit that attracts wildlife.

Unfortunately, not many trees conform to all limitations. Those with the most complaisant roots do not get big enough to be…

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Rocky Mountain Juniper

Rocky Mountain junipers get rather large.

Hollywood juniper had formerly been the only popular juniper of tree form. As it became less popular during the past few decades, cultivars of the once obscure Rocky Mountain juniper, Juniperus scopulorum, became more popular. Also, a few more modern cultivars became available. Now, the once overly common Hollywood juniper is quite uncommon.

Rocky Mountain juniper is naturally rather grayish for protection from the harsh exposure of the high elevations which it inhabits. Cultivars are grayer, bluish or silvery, and mostly develop symmetrically conical form. Old specimens that were initially conical eventually grow as small trees with rounded and relatively dense canopies, perhaps on bare trunks.

‘Skyrocket’ and ‘Blue Arrow’ are very narrow like Italian cypress that grow only fifteen feet tall. ‘Wichita Blue’ and ‘Moonglow’ are stoutly conical. ‘Blue Arrow’ and ‘Wichita Blue’ are bluish green. ‘Skyrocket’ and ‘Moonglow’ are silvery gray. Established specimens do not require much water, but develop better foliar color with warmth and occasional watering.

Juniper Cultivars Deserve More Consideration

Evergreen juniper foliage has distinctive texture.

Fads come and go. Many can be good, even if only briefly. A few might be bad enough to later stigmatize the object of the fad. For example, the formerly esteemed crape myrtle is now familiar as a mundanely common tree. Flashy bloom and complaisance contributed to its excessive popularity. Most sorts of juniper are similarly victims of their previous fad.

A few cultivars of juniper suddenly became overly popular during suburbanization of the 1950s. They were remarkably reliable and resilient. Most were shrubbery or low hedges. A few were groundcover. Hollywood juniper grew as a compact sculptural tree. However, most junipers grew too big. They became difficult to maintain, or impossible to renovate.

As many outgrew suburban gardens, few junipers outgrew their reputation. Even modern cultivars that were unavailable during the fad of the 1950s are perhaps less popular than they should be. Realistically, many old and new cultivars of juniper are quite practical for refined home gardens. They merely need to be appropriate to their particular application.

Many cultivars of several species of Juniperus are commonly available. Straight species are very rare from nurseries, although a few are native nearby. All junipers are evergreen with tiny awl or scale leaves. Foliar color ranges from forest green to silvery gray. Bloom is unremarkable. Some junipers produce pretty and aromatic blue, gray or black berries.

Junipers generally do not respond favorably to pruning that damages their natural forms. Those that grow as groundcovers, with stems that sprawl over the surface of the soil, are not offended by pruning to contain their edges. However, most groundcover junipers are actually just low shrubbery. Pruning might leave holes within their dense foliar canopies.

Junipers that grow as small trees do not mind removal of lower limbs at their main trunks, but object to partial pruning or ‘stubbing’ of such limbs. Regardless of their natural forms, all junipers should be proportionate to their particular applications. With sufficient space, they can mature and develop their naturally distinguished forms with minimal altercation. Maintenance could really be quite minimal.

First Color Of Autumn

For this season, the best early color is that of the poison oak.

tonytomeo's avatarTony Tomeo

P91013Okay; so this is neither the first, nor real autumn foliar color. It just happened to be convenient for me to get a picture of. Someone left this unfortunate Japanese maple right outside on the driveway a few years ago. It colors early from uncomfortable exposure to late summer warmth. The picture below is even more colorful, and was from even earlier in the year, last August.

Foliage that is starting to color here is nothing to brag about. Some of the older dogwoods leaves just shrivel and turn brown. I can only hope that enough newer foliage lingers to color as well as it did last year. Cottonwoods start to drop foliage while it is still green, but should eventually color to a subdued yellow before the last foliage falls. Sycamores are bland no matter how late.

There are only a few trees that reliably develop vibrant foliar color…

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Electrical Outage

This recycled article reminds me that there were no such planned outages locally this season that I am aware of.

tonytomeo's avatarTony Tomeo

P91012KWarnings were broadcast in local news for a few days prior. Because of the extreme potential for catastrophic forest fires, electrical service was to be disabled to our region, and large areas of California. Weather was predicted to be warm, windy and dry (with minimal humidity). Such conditions are exactly what cause fires to spread so explosively through the overgrown forests.

The potential for sparks from electrical cables, especially as debris gets blown onto to them, was why the electricity needed to be disabled. Supposedly, it is more likely for fires to be started by sparks from utility cables than by sparks from the many generators and barbecues that compensate for a lack of electricity. These considerations are taken very seriously in this region.

There are many reasons why the local forests are more combustible than they would naturally be. The less combustible redwood forests were clear cut harvested about…

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Six on Saturday: L. A. II

Los Angeles was fun, even if merely for five days. So was the indirect trip there and back. While there, I collected a few bits and pieces of vegetation to bring back here. Much of it, including these Six, needed to be removed from Brent’s garden anyway. I want to collect more Plumeria cuttings later, during the correct season. I only took what I got from this procedure because two of the dozen or so specimens needed minor pruning. Conversely, I collected many more giant bird of Paradise seedlings than I can accommodate because they needed to be removed from where they were. A neighbor here should hopefully take most of them. Most of these acquisitions were expected, although the quantities of some were unexpectedly excessive. Nonetheless, I am very pleased with them.

1. Heliconia of an unidentified species was phased out as other vegetation matured over the past several years. Remnants came up with only bits of rhizome, so may not survive.

2. Strelitzia nicolai, giant bird of Paradise grew from seed from a very mature specimen that was the first plant that Brent installed after he moved here almost twenty years ago.

3. Plumeria of an unidentified cultivar or even species needed to be pruned off the roof. It grows easily from cuttings, such as these, but needs protection from minor frost here.

4. Washingtonia robusta, Mexican fan palm, like giant bird of Paradise, grew from seed from a recycled specimen that Brent installed. Its parent is his brother’s Memorial Tree.

5. Clivia miniata, Natal lily formerly bloomed profusely in the front garden, but became overwhelmed by other vegetation. They were installed directly into a landscape at work.

6. Chamaedorea costaricana, pacaya, which Brent and I know as bamboo palm, is much more vigorous and larger than the more common bamboo palm, Chamaedorea seifrizii.

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/