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Pecan

It is ‘PEEkan, not ‘piKAHN’!

Texas selected a distinctive state tree; the pecan, Carya illinoensis. It is happy in the south and middle mid-west, where naturally grows about seventy feet tall. It can get almost as large here, so is best in big spaces. Summers are a bit too mild for reliable nut production in autumn, but single trees can sometimes make plenty. Two different trees (to pollinate each other) can actually be quite productive, although not quite as well flavored as in warmer climates. The pinnately compound leaves have about eleven individual leaflets that are about five or six inches long. Shade is not too dark.

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Oleander

Most oleander blooms with single flowers.

Since their development, freeways had been prettier with oleander, Nerium oleander. No other comparably resilient and undemanding shrubbery is as colorful. Harsh exposure of medians and interchanges was no problem. Oleander became less common through the 1990s only because of oleander scorch. Big contiguous colonies were most susceptible.

Oleander is as resilient as it has always been. It is less susceptible to oleander scorch if remote from other specimens. It performs best if it can grow wild without pruning. Pruning is not actually harmful, but can disrupt bloom. Frequent shearing eliminates most bloom. However, with pruning to remove lower growth, big shrubs can become nice small trees.

Bloom is white, pink or red. Pink ranges through bright cherry pink to pastel peachy pink. Pale yellow remains quite rare. Single flowers are most common. Double flowers are not rare though. A few cultivars provide mildly fragrant bloom, but also generate seed. Large oleander can grow as tall as fifteen feet. Dwarf cultivars may stay shorter than three feet. Oleander leaves resemble those of native bay laurel. All parts of oleander are notoriously poisonous.

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Mexican Fan Palm

Mexican fan palm is the most familiar palm of California.

It does not take long for Mexican fan palm, Washingtonia robusta, to get too big for most of the spaces it so often self sows its abundant seed into. The attractive lush foliage looks innocent enough, although the long petioles (leaf stalks) have nasty teeth. As trees get tall enough to get out of the way, they also get too big to manage, eventually reaching a hundred feet tall on elegantly curving trunks. No matter how tall they get though, their canopies always stay about eight feet wide. The problem is that the maintenance of such tall and aggressive trees can be costly.

Beards of old leaves can be allowed to accumulate on the trunks, but are combustible and can get infested with rats. Old leaves are more often pruned off, leaving a distinctive pattern of petiole bases. Old leaves can alternatively be ‘shaven’ to expose elegant bare trunks.

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Naked Lady

Naked lady foliage grows after bloom.

They can be quite a surprise when they bloom for late summer. The tops of their dormant bulbs previously seemed to be dead at the surface of the soil. Then, suddenly, their bare floral stems emerge to bloom without foliage. That is why Amaryllis belladonna is naked lady. Foliage grows a bit later in summer or autumn. It shrivels during late spring warmth.

Naked lady flowers stand about two feet tall, on simple green or brown stalks. Their mild fragrance is easy to miss. A profusion of bloom is only slightly fragrant during humid and warm weather. Their vividly pink color more than compensates. Fleshy seed that mature now that flowers are deteriorating are perishable. They prefer almost immediate sowing.

After naked lady flowers imitate lily flowers, their leaves will imitate lily of the Nile leaves. Naked lady and lily of the Nile are related, but neither are related to lily. The strap leaves of naked lady are more fragile than those of lily of the Nile. If damaged, they can lay flatly for quite a while. After defoliation during spring, dormant bulbs are conducive to division. It might delay bloom for that year.

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Redgum Eucalyptus

Red gum eucalyptus is notably drought tolerant. Apparently, it can also temporarily tolerate saturation.

Although not quite as aggressive, sloppy, big or structurally deficient as the notorious blue-gum eucalyptus, the red-gum eucalyptus, Eucalyptus camadulensis, is one of the ‘other’ eucalyptus that give eucalyptus a bad reputation. It is realistically too big and messy for refined urban gardens, and can be combustible if overgrown or too abundant. It is consequently probably not available in nurseries, despite being one of the most common species of eucalyptus (second only to blue-gum) in California. Red-gum eucalyptus has the advantage of being one of the most resilient large scale trees for unrefined or semi-wild landscapes, and works well where it has space to grow in many of the local county parks.

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Wax Begonia

Wax begonia is potentially a perennial.

Simplicity is a recurring theme among wax begonia, Begonia X semperflorens–cultorum. Floral color is white, pink or red. Foliar color is green, bronze or dark bronze. Each floral color combines with each foliar color. Variation within this simple color range is minimal. So is variation of foliar or floral form. Cultivars with slightly fluffier double bloom are rare.

Perfection eliminated the potential for improvement. Regardless of such simple variation, wax begonia is among the most popular annuals. Technically, it is perennial. Technically, it prefers warm weather. It remains available as cool season color after summer because it blooms until frost. Later, it can recover from minor frost. Without frost, it blooms all year.

Mature wax begonia rarely grows higher or wider than a foot, with densely rounded form. Flowers are small but abundant. Both leaves and stems are succulent and tender, with a waxy sheen. Propagation is remarkably easy by cuttings or division. Consistent watering is very important. Partial shade is tolerable, but if too shady, can inhibit bloom somewhat.

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Fiddle Leaf Fig

Fiddle leaf fig starts out as a clinging epiphytic vine.

What a weird tree! Fiddle leaf fig, Ficus lyrata, is an uncommon but familiar large scale houseplant that we might not welcome into our homes if we knew how it behaves where it grows wild in the lower rainforests of Western Africa. Although it can grow upward from the ground like almost all other trees do, it often germinates and begins to grow as an epiphyte, within organic debris that accumulates in the branch unions of other trees. While suspended, it extends roots downward. Once these roots reach the forest floor, they develop into multiple trunks that overwhelm and crush the host tree as they grow.

The bold foliage is typically dark drab green, like the shades of green that were so popular for Buicks in 1970, with prominent pale green veins. Individual leaves are about a foot long and potentially nearly as broad at the distal (outward) ends, often with randomly wavy margins. Like fiddles, they are narrower in the middles, or actually more often narrower at the proximal (inward) ends. When pruning becomes necessary, the caustic sap should be soaked from fresh cuts with paper towels so that it does not drip and stain.

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Frisee

Frisee is a type of endive.

Many popular salad greens are somewhat discriminating about the seasons here. Some dislike even a minor chill during winter. Several more dislike arid warmth during summer. Frisee is a sub variety of curly endive, Cichorium endivia var. crispum, that dislikes both. It prefers weather from late summer through autumn, and from late winter through spring.

Frisee is related to chicory, which includes radicchio, puntarelle and Belgian endive. It is less closely related to dandelion. Because it is relatively unfamiliar locally, some know it as chicory or curly endive. It is typically a component of fresh green salads. Alternatively, it sautees nicely, or mixes with other cooked greens. Frisee is apparently quite versatile.

Frisee may be unavailable as seedlings in cell packs from nurseries. Because individual plants are small, it is most practical to grow them from seed anyway. Seed germinates in about a week. Seedlings mature in about a month and a half. Mature frisee is only a foot wide. It requires full sun exposure with frequent watering. Phasing prolongs productivity.

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Garden Phlox

Garden phlox is delightfully fragrant.

In eastern North America where it grows wild as a native, garden phlox, Phlox paniculata, is modest but classic perennial that gets more than four feet tall with pinkish lavender flowers from late summer through early autumn. Modern garden varieties are mostly somewhat more compact with pink, red, light purple or white flowers. Many have fragrant flowers; and some have flowers with lighter or darker centers. Butterflies and hummingbirds dig them all.

Locally, garden phlox probably looks best with slight shade or among other lush plants, only because humidity is so minimal. Otherwise, it would be just as happy out in the open. In well watered gardens with rich soil, it sometimes self sows a bit, but rarely naturalizes continually enough to revert to a more natural (wild) state like it can in gardens on the west coast of Oregon and Washington. Garden phlox can be propagated by division of mature plants either after bloom in autumn or in spring.

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Daylily

Each flower lasts about a day.

Each flower lasts for only a day. That is why the common name of Hemerocallis is simply daylily. Each floral stalk provides several flowers that bloom continually for several days. As one flower deteriorates, another replaces it. Because floral stalks shed so continually, they are not very practical as cut flowers. They are splendidly colorful in gardens though.

Most popular daylily cultivars are products of breeding that is too extensive to document. That is why almost all lack species names. Their cultivars names generally suffice. Most daylilies bloom for a month or so. Also, most bloom best for early summer. A few bloom a bit earlier. Some bloom as late as autumn. Some can bloom randomly or twice annually.

Daylily bloom can be yellow, orange, red, pink, almost purplish or combinations of these. Yellow or pink can be so pale that it seems to be almost white. Flowers can stand as tall as three feet, on bare stem. Their arching grassy foliage stays somewhat lower, in dense mounds. Most cultivars are evergreen. Some are deciduous. They propagate by division. Some migrate by vigorous stolons.