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Daylily

These flashy blooms are remarkably easy.

As the name implies, each individual flower of daylily, Hemerocallis, lasts only about a day. They open just after dawn, and wither by dusk. However, bloom last from a week to a month because there are several flowers on several stalks. These flowers take turns blooming, so that a flower that blooms today will likely be replaced by a new flower tomorrow, until bloom finishes. Some daylilies bloom early in spring. Others wait until summer. A few bloom again, as late as early autumn.

Flowers can be almost any color except for blue or white, and typically have a a different color in the throat. The most popular varieties are bright yellow, pastel yellow, orange, pink or rusty red. Purple flowers are not quite as flashy as the color implies. Each flower has six petals, (which are actually three petals and three sepals). Bare stems hold the flowers about two feet high, well above the clumping grassy foliage. Some stay only a foot tall. A few get considerably taller. Plants should be groomed of finished flower stems, and may sometimes want to be groomed of deteriorating foliage. Daylilies known as ‘deciduous’ daylilies shed all foliage by autumn.

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Perennials provide foliage and bloom

Bloom can repeat in season perennially.

Does anyone really know what a ‘perennial’ plant is? It is obvious that it is not an ‘annual’ plant that lives only a single year. A ‘biennial’ plant produces vegetative (non-blooming) growth in the first year, and then blooms, develops seed, and dies in the second year. A plant only needs to live more than two years to be a perennial plant, or simply a ‘perennial’. Well, that does not narrow the definition down much. Bristlecone pine can live for thousands of years, but is not often thought of as a perennial.

In simple home gardening terminology, a perennial not only lives for more than two years, but does so without producing significant woody stems. Yes, this also happens to include palms and trunk forming yuccas (which are known as ‘perennial trees’), but that is another topic. Some perennials live only a few years. Some can live indefinitely by replacing their stolons, rhizomes, bulbs, tubers or whatever they regenerate from as their old growth gets left behind.

For example, bearded iris spread by fleshy stems known as ‘rhizomes’. As they grow from the forward tips, the older ends that get left behind will rot away. They are constantly replacing themselves, without leaving evidence of how long they have been doing so. (In other words, it is impossible to cut one down to count the rings.)

Many plants that are known as annuals are actually perennials, but get removed and replaced during their respective dormant season. Busy Lizzy can regenerate each spring if their roots do not succumb to frost in winter. Begonia, chrysanthemum, cyclamen and primrose are just some of the many other annuals that could technically survive as perennials.

Lily-of-the-Nile, African daisy, daylily, canna, penstemon, New Zealand flax and various grasses and ferns are some of the more familiar perennials. They are too diverse to generalize about, but happen to be among the most reliable of plants for bloom and foliage. Because form and mature size is somewhat predictable, properly selected perennials are unlikely to outgrow their particular situations.

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Career Counseling

This recycled article posted immediately after the article that was recycled last Wednesday, and similarly conforms splendidly to the Horridculture meme for Wednesdays. They originally posted prior to the invention of Horridculture.

tonytomeo's avatarTony Tomeo

P71206This is not a sequel to my rant ‘Real Deal’ from yesterday. It is just another rant. I should write more such rants; and I am actually considering designating Wednesday, as the day for discussion of the various hooey in horticulture, from some of the many fads and gimmicks to the lack of professionalism in the horticultural industries. Wednesday is the day between my current gardening column articles and the gardening column articles that are recycled from last year. There is certainly no shortage of hooey to discuss. I have been mostly polite about it so far. I sometimes wonder why I should bother with politeness. I sort of think that some would prefer more honesty than such unfounded pleasantries. Well, I can give more thought to that later. There are still a few more pleasant topics that should be discussed as well. For now, I will continue:

Many years…

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Weigela

Weigela can be bronze or variegated.

Stylish modern cultivars have been restoring the popularity of formerly common weigela, Weigela florida. Traditional sorts can reach first floor eaves, with delightfully open branch structure and rosy pink spring bloom. The foliage of most is variegated with white. Newer cultivars are more compact, with more variety of form, as well as of foliar and floral color.

Bloom can be pink, red, rosy red, white, white with yellow centers, or the the familiar rosy pink. Foliage can be green, bronze, deep purply bronze, or variegated with white or pale yellow. As it develops in spring, variegated foliage might be blushed with pink. Shrubbier modern cultivars may get no taller than five feet. Some are lower and densely mounding. 

Although deciduous, weigela are popular as short informal hedges. Formal or excessive shearing compromises both bloom and form. After primary spring bloom, several modern cultivars bloom sporadically later in summer. Weigela enjoys a bit of winter chill, so may not appreciate the mildest coastal climates. Partial shade is tolerable, but inhibits bloom.

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Variegation And Other Foliar Color

Bright white variegation brightens shady spots.

Foliar color is not limited to autumn. Some deciduous plants display colorful foliage from spring to autumn. Then, some of these change color for autumn. Some evergreen plants display colorful foliage through the year. Variegation of foliage can be more colorful than associated bloom. So can unvariegated bronze, purple, red, yellow, blue or gray foliage.

All sorts of plants exhibit variegation or other variations of color of their foliage. They can be annuals, perennials, shrubs, vines, trees, or houseplants. Although many are popular primarily because of their foliage, some provide appealing bloom as well. Blue and gray foliage is a natural advantage in harsh climates. Other colors are selections of mutations. 

Because variegation deprives portions of foliar surface area of the chlorophyll needed to perform photosynthesis, it inhibits growth. This can be an advantage for plants that grow too vigorously otherwise. However, many variegated plants occasionally develop growth that is not variegated. If not removed, it can overwhelm and displace desired variegation. 

New Zealand flax, dracaena palm (Cordyline australis), gold dust plant, euonymus, coral bells and hosta are some of the many plants that are more familiar with colored foliage or variegation than without. If simple unvariegated coleus, croton or caladium are available, they must be notably rare. Blue spruce is always blue. Purple leaf plum is always purple. 

Although both gold and gray junipers are popular, the most common are green. Bronzed and variegated cannas are likewise not quite as popular as those with simple lush green foliage. Pittosporum tobira is so much more vigorous without variegation than with it, that the two distinct types of this same species perform different functions within landscapes.

Golden honeylocust supposedly produces lighter shade than darker green honeylocust. ‘Ruby Lace’, a bronze cultivar of honeylocust, supposedly produces faintly darker shade. Some golden or variegated foliage is more susceptible to scorch; although sun exposure enhances foliar color and variegation. Fresh new spring growth gets the best foliar color, but is likely to fade through summer.

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Gemini

Robert Tomeo, my younger brother, is 53 years old today, and happens to be a Gemini (if that means anything). For the next month (less one day) we will be the same age. Not only am I a Cancer (if that means any more than being a Gemini), but I also have the distinction of being born during the Summer of Love in 1967! Anyway, this is one of the more mundane of my recycled articles that should have posted at noon on Saturday, but seemed to be more appropriate for June 13.

tonytomeo's avatarTony Tomeo

P80617Astrology is an interesting concept. It is amazing how accurate the various zodiacs are. In fact, they are so accurate, that all twelve of the zodiacs can apply to just about anyone, regardless of their respective birthday.

For example, Gemini people are gentle, affectionate, curious and adaptable. Well, who isn’t? If I told you that these traits applied to Leo, Aquarius or Sagittarius, would you believe me? The weaknesses of Gemini are nervousness, inconsistency and indecisiveness. We all of us experience these weaknesses at one time or another. Gemini people like music, books, magazines and strolling about town. What about Aries, Capricorn and Taurus? Don’t they? Are Gemini people unique in their dislike for loneliness, confinement or repetition? Probably not.

June 20 will be the end of Gemini. It will then be time for Cancer, with its set of distinctive traits, strengths and weaknesses.

Gardening according to astrology might seem…

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The Good Weed

Only three years later, this tree is even more grand. It grows fast. Growth will decelerate as the tree matures, so that the tree should be with us for a good long time.

tonytomeo's avatarTony Tomeo

P80616KOnce in a while, a stray seed of a plant that would normally be considered to be an invasive exotic species happens to grow in a spot where it happens to fit. Those of us who regularly pull up unwanted feral seedlings, are typically skeptical. We probably pull up many such seedlings merely because we do not trust them, or because we do not want them broadcasting their seeds elsewhere in the neighborhood. In our region, Acacia dealbata, blue gum eucalyptus, black locust, pampas grass, broom, poke berry and Himalayan blackberry get no consideration; and their seedlings should be removed as promptly as they are discovered. English ivy does not get much more consideration, but every once in a while, it happens to wander into a situation where it is allowed to stay.

Catalpa is one that we are not quite sure about. It is an exotic species that happens…

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Six on Saturday: Lily Rose and Flowering Pear

Lily Rose Depp was just a little tyke when her father, Johnny Depp, graciously financed the installation of a herd of flowering pear trees as street trees in the neighborhood where she attended school with my niece. Lily Rose is such a delightful and horticultural name. I happen to be very fond of lilies. I also happen to be very fond of roses. I just do not like them together in the same garden.

1. Before it began to deteriorate, this lily looked like Patrick Star, the next door neighbor and best friend of Spongebob Squarepants, or perhaps Carl Junior in drag. It lives in the rose garden.

2. ‘Apricot Candy’ is a rose that I am not familiar with, but it lives here now. It is a hybrid tea rose, which I prefer. I also like the name. Apricots were a primary crop for the Santa Clara Valley.

3. This and #1 above continue to bloom within the rose garden, many years after almost all of the other perennials were removed from the site so that it could be redeveloped as a rose garden.

4. ‘Iceberg’, although white, is not my favorite rose for this week. As reliable and prolific as it is, I still find it to be mundane and cliché. Regardless, it is one of the best within our rose garden.

5. This is my favorite lily this week, not because of the color, but because it is ‘not’ within the rose garden. It is across the road, in a small garden of mostly perennials, where good lilies belong.

6. ‘Proud Land’, although not white like ‘Iceberg’ above, is my favorite rose this week. The rich red is exemplary of the color that red roses should be. This is one of three that I planted in 1984!

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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Smoke Tree

Smoke tree has striking foliage too.

Wispy billows of pinkish or tan blooms through June and July are what the smoke tree, Cotinus coggygria, is named for. It probably should have gotten more recognition for brilliant foliar color in autumn. It reliably turns bright yellow and orange, and if the weather is right, it can turn rich red and even purplish. Until then, the popular modern varieties have either dark purplish or light yellowish foliage. Some of the older plants have slightly bluish green foliage. The nearly circular leaves are about two or three inches long. Yellowish varieties tend to be shortest. Those with purplish or bronze foliage get larger. Old fashioned green plants are the largest, and can get twelve feet tall and broad. Smoke tree can be large shrubbery, or pruned up as small trees. Aggressive pruning in winter promotes better foliar color through spring and summer, but inhibits smoky bloom. Slightly distressed plants have better color in autumn. Plants that are watered too much are likely to succumb to disease within only a few years.

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Drought Tolerance Versus Container Gardening

Drought tolerant plants loathe root confinement.

There are probably just as many reasons to not grow plants in containers as there are reasons to justify container gardening. Some potted plants consume less water than they would in the ground, but only because their demand is proportionate to their limited size. They only want more water in the ground because they can grow larger.

The most drought tolerant of plants are actually the least practical for pots or even large containers. They tolerate drought because they efficiently disperse their roots so extensively. Since they can not adequately disperse their roots in pots, they rely on what they can get from a relatively limited volume of soil. However, even if watered generously, many drought tolerant plants simply can not produce enough finely textured roots to absorb enough moisture.

For example, eucalyptus trees want to begin dispersing their roots while very young. If confined, their long and wiry roots simply go around within their limited volume of soil, trying to find a way out. They can develop a few more fibrous roots than they typically would, but probably not enough to compensate for limited root dispersion.

Wild lilac (Ceanothus spp.), flannel bush, manzanita and smoke tree are not only sensitive to confinement, but have difficulty recovering from confinement if put into the ground after their roots have circled too much within a container. Pines and many other conifers are likewise sensitive to confinement, but some types can recover if the binding roots get severed before they go into the ground.

Plants with dense and fibrous roots are more adaptable to containers. Most succulents and common yucca are good choices. Ferns and some grasses also work nicely, but need to be watered rather regularly. Some types of arborvitae and juniper work better than larger coniferous evergreens. Some small bamboos can stay potted, but not larger types.

Annuals, compact perennials and many ground covers that provide color and fill in space around larger plants are naturally adaptable to container gardening, but their need for regular watering can not be denied. There simply is no practical way of combining container gardening and drought tolerance.