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Horridculture – Spruce Up

Well, it remains, three years later.

tonytomeo's avatarTony Tomeo

P00610 Even Charlie Brown would reject this little blue spruce.

No one wants to cut down this little blue spruce. What is worse is that no one wants anyone else to cut it down either. We all know it is ugly. We all know that it can not be salvaged. We all know that it really should relinquish its space to the healthy and well structured coast live oak next to it, in the lower left of the picture. Yet, it remains.

It was planted amongst a herd of gold junipers in about 1980 or 1981, shortly after the construction of the adjacent buildings. An abandoned irrigation system indicates that it was likely irrigated for some time afterward, although it is impossible to know for how long. Otherwise, it and the junipers were completely ignored for the last four decades.

When the vegetable garden was installed nearby, brambles, weeds and trash…

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Barberry

Modern barberries display bold foliar color.

Its abundance of small but very sharp spines are both a blessing and a curse. Barberry, Berberis thunbergii, can work like vegetative barbed wire. An intruder might get through its thicket growth of limber stems once. Its unavoidable thorny nastiness will dissuade a second attempt. Unfortunately though, the same thorny nastiness is unpleasant to prune.

Ironically, most barberry is aesthetic rather than utilitarian. Popular modern cultivars are bright yellow or dark purplish red. Variegation is still rare. Most cultivars are less than six feet tall. Some are very dense and less than two feet tall. Old fashioned green barberry that gets ten feet tall is now uncommon. Autumn foliar color is exquisitely red or orange.

Barberry works splendidly as a low shorn hedge, although it defoliates through winter. Its naturally billowy, flaring or upright form is even more splendid unshorn. Congested older specimens regenerate vigorously after winter coppicing. Small ovate leaves constitute a refined foliar texture. Tiny bright red berries are rarely observable before birds find them.

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Hedge Pruning Straight And Narrow

Hedges should not overwhelm their landscapes.

There are rules to hedging. Many hedges violate some of such rules. Formal hedges are the most egregious offenders. Their uniformity, symmetry and form require compliance to relatively strict standards. Relatively relaxed standards of informal hedges or screen are standards nonetheless. Almost every hedge eventually needs maintenance of some sort.

The primary difference between formal and informal hedges is uniformity. A formal hedge involves only a single variety of a species. Spaces between individuals of such a hedge are all the same. An informal hedge can involve more than one species. Spacing may be variable, even if for a single variety. Informal pruning is less strict than formal shearing.

Both types of hedges are generally utilitarian, as well as aesthetically appealing. Many provide privacy. Many obscure undesirable scenery. Some divide gardens into distinct spaces. Size and shape is very relevant to how effectively a hedge serves its purpose. Unfortunately, most hedges are significantly larger than necessary. Many are obtrusive.

This happens because their depth, from front to back, is easy to ignore. A healthy facade of dense foliage conceals wasted space within. It can slowly expand outwardly as each subsequent shearing procedure allows. Expansion is faster above than below, which is why so many hedges are wider on top. Distended tops shade and inhibit lower growth.

Obtrusive hedges are difficult to restore. Most require removal of their appealingly dense foliar facades. Such a procedure exposes unappealingly bare stems within. This should be temporary for most hedges. They efficiently refoliate to develop new facades with less depth. Such renovation is impractical for junipers, which can not refoliate so efficiently.

Renovation of obtrusive hedges is unpleasant and temporarily unsightly. However, it can recover formerly useless space. A hedge that was six feet wide can be as effective if only a foot wide. There is no need for it to extend over usable spaces, such as walkways and patios. Other vegetation will likely appreciate better exposure to sunlight. Mild weather delayed but did not eliminate the need for seasonal maintenance of hedges.

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Dago Wisteria

The last of the layered copies of this grape vine that I found while pruning it found homes prior to last winter. However, I found several more layered copies of an unidentified and likely feral grapevine across the creek last winter. It never ends.

tonytomeo's avatarTony Tomeo

P00607 All this bloom will eventually be fruit.

My colleague down south and I have completely different gardening style. He is a renowned landscape designer, so his home garden is as elaborate as the landscapes he designs for his clients. I am primarily a farmer of horticultural commodities, so my home garden is very strictly utilitarian, with few items that are grown just because they are pretty.

My colleague’s garden is outfitted with a very well built pergola over the patio at the rear of the home. Six common Chinese wisteria were installed to climb the six supporting post and sprawl above. Their cascading spring bloom is both spectacular and alluringly fragrant.

Of course, when I saw that pergola while the wisteria were still young, I thought that it would be ideal for Dago wisteria, which most of us know simply as grapes. They climb like Chinese wisteria. They bloom…

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Hieroglyphs

Many more stumps have appeared since the CZU Fire.

tonytomeo's avatarTony Tomeo

P00606K “111”? . . . “777”? . . . “TTT”? . . . “LLL”?

What does this mean? Is it ‘111’ deprived of the lower serifs? Is it ‘777’ with abbreviated arms? . . . ‘TTT’ lacking right arms? . . . ‘LLL’ with abbreviated legs? Is it pointing toward something important? Is a hieroglyph from an ancient language . . . or a language that has yet to be invented?! Is it like a miniature crop circle pattern cut into wood by Sasquatch or extraterrestrials?!

The arborist who left it here after cutting down the deceased ponderosa pine that formerly stood where this large stump remains might be amused to read that I contemplated it so intently. Actually, I did not really contemplate it so much. I only wrote about it as if I did because it is amusing to do so. I have no idea what this hieroglyph represents…

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Six on Saturday: Buckeye

Aesculus is not native to Arizona. Buckeye is merely where I vacationed after leaving the Los Angeles region. It is northwest of Phoenix, which is also a genus that is not native to Arizona. It was a hundred degrees daily while I was there, but oddly, never to a hundred and one. My Six are from residential gardens. #2 is of the Plantaginaceae family. #1 and #6 are of the Fabaceae family. The three others are of the Bignoniaceae family. Fabaceae and Bignoniaceae seem to be popular there. #1, #4 and #5 are native species. Carnegiea gigantea, saguaro, which is the State Flower of Arizona, grows wild there. I should have taken pictures of it. The base of a minor specimen is visible to the far right of picture #1.

1. Prosopis glandulosa, honey mesquite was in need of clearance pruning. I brought the bigger stems from the pruning debris back for a colleague who will use it to smoke meat.

2. Russelia equisetiformis, firecracker plant, as the specific epithet describes, resembles equisetum, but with these red and narrowly tubular flowers that exclude interested bees.

3. Jacaranda mimosifolia, jacaranda is one of a few familiar species that I encountered. I am impressed that it is popular and seems to perform well within such an arid climate.

4. Chilopsis linearis, desert willow got my attention because of this floral color that is so unusual for trees. I had previously only encountered it while it was defoliated for winter.

5. Tecoma stans, esperanza, as well as poinciana #6 below, should bloom like this in my garden. Crazy Green Thumbs sent me seed for both last year. Both were terrible failures.

6. Caesalpinia pulcherrima, poinciana, as well as esperanza #5 above, remind me that I should have been more diligent and protective with the seed from Crazy Green Thumbs.

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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Sweet Flag

Sweet flag is a riparian perennial that performs well in saturated soil.

After many centuries of being grown for use in herbal medicine, sweet flag, Acorus gramineus, is still a popular evergreen perennial; but is now appreciated more for its low mounds of grassy foliage. ‘Ogon’, one of the most popular cultivars, has light yellow variegated foliage that contrasts well with deep green foliage, or brightens partially shaded spots in the garden. Individual clumps grow quickly to about eight inches tall and broad, and then spread slowly by producing more shoots. New plants are easily propagated by division. Sweet flag likes plenty of water, and does well in partially submerged pots in koi ponds, or poorly drained spots.

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Wind Pollinated Flowers Are Worse For Allergies

Wild flowers are generally worse for allergies than more colorful flowers within home gardens.

Have you ever wondered why it is sometimes difficult to know which flowers cause the worst allergies at any particular time? It is for the same reason that it can be difficult to find the flowers that produce the most fragrance. They simply do not need flashy colors to attract pollinators. Fragrant flowers instead use fragrance to attract pollinators. Flowers that are the worst for allergies simply put less effort into attracting pollinators, since they prefer to get their pollen delivered by wind. Yes, wind; it is one hundred percent natural and absolutely free.

Pollen than is designed to be dispersed by wind seems to perform just as well without it, by floating through the air, which is like ‘diet wind’. Unlike the pollen of big colorful flowers that is heavy and sticky in order to adhere to pollinators, pollen that is designed to be dispersed by wind (or diet wind) is extremely finely textured and abundant. Since it is not so directly and efficiently delivered between flowers, it gets everywhere and into everything, with the hopes that some of it, if even just a few particles, will reach the flowers that it wants to pollinate.

Pollen that primarily relies on wind for dispersion is like all those millions of bulk mailing fliers that get mailed out to everyone so that one or two or perhaps a few might reach someone who might actually be interested in getting one. Pollen from big flashy flowers are more like fancy Christmas cards that we send directly to friends, family and neighbors, but would be too expensive to send to millions of uninterested people. The problem is that like so much junk mail that clogs mailboxes, wind dispersed pollen is too abundant, which makes it a serious problem for those who are allergic to it. There is no escape when it fills the air.

The many wind pollinated plants that bloom in secret are the worst for pollen production. Unremarkable flowers of pines, cypress and cedars are among the worst. Acacias and eucalyptus are nearly as bad; but at least some have colorful bloom. Although hedged privets are not often able to bloom (because their flower structures get shorn off), privets that are allowed to grow into trees produce wicked pollen, even at a young age. Wild grasses may not seem like they would be much of a threat in urban landscapes, but their pollen travels for many miles to find victims.

Unfortunately, there is no way to control all the plants that produce objectionable pollen. We can only contend with those in our own gardens and be aware of what else is out there in the neighborhood.

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Horridculture – Neglected Seedling

Three years later, I can now say that this little seedling was happily productive.

tonytomeo's avatarTony Tomeo

P00603-1 They are so cute when they are young.

This was not planned very well. Actually, it was not planned at all. While sorting through the seed for a vegetable garden, I found a can of seed for winter squash that was a few years old. They might be close to five years old. I really do not remember. I did not expect them to be viable, but did not want to discard them without at least trying to test them for viability.

Rather than just put them in damp rag for a few days, I plugged a few seed into a spider plant on a windowsill, and forgot about them. I really did not expect to see them again. When the first one emerged, I though it was a weed, so plucked it out. When I realized what it was, and that it came out intact, I felt badly for…

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Lemon Cypress

Lemon cypress foliage is mildly aromatic.

Monterey cypress is a famously rugged tree that inhabits harshly exposed coastal cliffs. It grows fast to get big and gnarly with age. Lemon cypress, Hesperocyparis macrocarpa ‘Goldcrest’, is a more civilized cultivar. It might potentially grow nearly forty feet tall, but at less than a foot annually. Vertical trunks support compact and relatively columnar form.

Lemon cypress foliage is densely evergreen, with tiny and tightly set scale leaves. New spring growth is impressively cheery yellow. It fades somewhat to yellowish chartreuse through summer. If the weather gets cool enough through winter, the foliage can get a bit more amber. The foliar aroma is coincidentally slightly lemony, to match the foliar color.

Once established, lemon cypress does not require much more than occasional pruning. It is satisfied with only infrequent irrigation, and might survive with none at all. Actually, it is susceptible to rot with generous or frequent irrigation. ‘Goldcrest Wilma’ is susceptible to foliar diseases within its even denser foliage. It stays compact enough for pots though (Incidentally, Hesperocyparis was Cupressus.)