Individual Plants

About specific plants

Wild Cucumber (Marah fabaceus fabaceus)

The wild cucumber (Marah fabaceus fabaceus) is an enthusiastic native plant that happily covers any large object it can ramble over. It will scale trees, smother sheds and carpet the ground with its fast-growing wiry stems. The plant sends out curly tendrils to attach to anything within its grasp. And after showing off its clusters of white flowers, the wild cucumber will explode into bright green porcupine like inedible cucumber fruits.  Explode is a good word for this plant as these fruits can burst open and shoot out the seeds. The wild cucumber survives extreme heat and drought by growing huge underground roots often referred to as ‘man roots’ due to their size. If you want one growing in your wildflower garden, just be sure you like the location. Once established, digging out that root is a major project! The Marah fabaceus fabaceus is native only to Southern California.

The wild cucumber is not edible (though looking at the spiny fruit, I don’t suspect many people would find it tempting, anyway).

Grow the Yesterday Today and Tomorrow bush (Brunsfelsia pauciflora)

 

 

 

 

 

 

 

 

 

 

This is a lush, green shrub that will only take light frost. But if you live in a warm sunny climate where you only get mild frosts occasionally in the winter then you can grow the ‘Yesterday, Today and Tomorrow plant. It will not only catch the attention of passers-by when it flowers in three stages of flower colors, but it can be kept trimmed to offer handsome green in either a semi-formal or informal garden. The Latin name for this fascinating bush is Brusfelsia pauciflora

The Yesterday Today and Tomorrow is a plant with glossy leaves that grows to about three feet tall. It likes a rich soil, but is tolerant of a wide range of less than ideal soils. It is mildly drought tolerant but prefers regular water with good drainage. Give it full sun except in hot desert areas when some shade would be in order.

The plant gets its name from its changing flowers that were deep purple ‘yesterday’, lavender ‘today’ and finish white ‘tomorrow’. These sizable open-faced flowers fill this evergreen bush during its long blooming period with three different colored blooms all at once.

The Yesterday Today and Tomorrow bush is not difficult to grow and blends in well with other plants. Use it in a cool-colored garden with blues, purples, pinks and whites, or use it for contrast with bright colors. It also fits in nicely with pastel shades. Although the plant looks best trimmed lightly with a slightly rangy habit of growth, it will accept more harsh, formal shearing, but you are likely to remove the best attributes of the plant – those multi-colored flowers – if you insist on cutting it back this way. There are plainer shrubs that would probably be a better choice for this kind of highly controlled treatment. Instead, use the Brunsfelsia paudiflora where it can show off its unique beauty in a natural-looking border, as a backdrop for other flowers or a stand-alone focal point. The Yesterday, Today and Tomorrow bush is also an excellent choice as a specimen plant to grow in a container.

How to grow persimmons (Diospyros)

There are two types of persimmon commonly grown in gardens. The American persimmon (Diospyros  virginiana) is a large tree that does best in zones 7 to 10. It isn’t fond of either extreme heat or extreme cold. This tree can easily grow to 60 feet tall and has a rather informal habit of growth. Both wood and fruit was harvested by the native Indians across the southeastern third of North America. The fruit is considered astringent and must allowed to soften before it can be eaten.

The Japanese or Oriental persimmon (Diospyros kaki) has non-astringent fruit as well as astringent varieties. ‘Fuyu’, ‘Jiro’, ‘Gosho’, Izu and ‘Suruga’ are non-astringent; astringent varieties include ‘Hiratanenashi’, ‘Hachiya’, ‘Aizumishirazu’, ‘Yotsumizo’ and ‘Yokono’.   These trees vary in height from 15 – 60 feet. Try the smaller-growing types like the Izu or Gosho for smaller spaces. Fruit bruises easily so clip the stems rather than twisting or pulling off fruit. Non-astringent fruit can be consumed when it is fully red and firm. Astringent fruit should be picked at the same stage and allowed to soften off the tree. Otherwise it can rot on the tree. Astringent persimmons can be stored in the refrigerator for a month, but should be taken out and given a few days to soften before eating. Soft fruit of both kinds are perishable.

Both types of persimmon have decorative fruit that looks like red-orange tomatoes. They are high in vitamin C and iron. Persimmons are likely to take 3 to 8 years before they begin to harvest. (The American varieties are slower to crop.) Give both varieties regular water and plant trees in full sun or light shade. They prefer fertile soil but are forgiving so long as they have good drainage. Once established, persimmons can be reasonably drought-tolerant. If the crop sets too thickly, thin it to keep the individual fruits large and healthy.

Persimmons are in the ebony tree family so don’t be surprised to see the roots are a dark black color. The trees grow a deep tap root so they are good trees to plant on hills or around foundations or cement work. They don’t have the damaging, spreading roots some other trees grow that can lift or crack hardscapes (permanent features). Because of these deep tap roots, persimmons are not suitable for pots or shallow soils.

American persimmons produce either male or female flowers so you will need both to pollinate blooms and set fruit. You can plant several of these trees in a group to make sure you have both kinds in your garden. Most varieties of the Japanese or Oriental persimmons are self-fertile. The latter are most commonly grown in landscapes, tend to be grafted to American persimmon root stock, and usually top out at twenty feet tall.

Use persimmon trees in a desert landscape or a Japanese garden to add color and productivity. They have rich green foliage that can blend in with more traditional style landscapes, too. The habit of growth creates a wide umbrella so they make good shade trees in the landscape, too.

Grow big, bold sunflowers

Whether you are a fan of annuals or perennials, the sunflower can find a treasured place in your garden. These fast-growing annuals offer big, bold plants that are a quick, easy way to add eye-catching flowers to almost any garden.

There are varieties of these giant daisies that grow over eight feet tall and varieties that reach only two and a half to three feet. Some are long stems topped with a big, rayed, disk of a bloom whereas others will branch up the stem offering multiple blooms. Colors are available in the traditional pure yellow, whites, lemons, mahoganies, bronzes, deep reds and rings of blended hues. There are double flowers, full and fluffy with petals, and there are single open disks outlined with just a ring of petals imitating the rays of the sun.

Sunflowers not only echo the sun in design, but actually turn to face the sun as it moves across the sky during the day. These interesting flowers are decorative, colorful, ideal for adding towering height or lollypop vertical growth to a garden bed. Use tall varieties in the back of a garden, to decorate a dull wall or fence or to add a bold accent or create a colorful focal point within a planting. Sunflowers add character to a Tuscan or other Mediterranean landscape design. They fit in perfectly with a cottage garden design and show off nicely in a Southwestern themed garden.

The sunflower (Heliantus annuus) is easily planted from seed. You can also buy started plants. It is easy to grow and because it grows quickly, is an ideal plant to help children become excited about gardening. The large seeds are convenient to handle and sprout fast. After flowering the big blooms develop seeds that invite birds into your garden, can be saved to plant next year and are edible. Give the sunflower plenty of sunshine, ample water and occasional plant food. These ponderous plants are heavy feeders.

 

Irises to grow in the garden

bearded  Iris

A group of bearded Irises in bloom

One of the deservedly popular flowers in gardens all over America – all over the world – is the iris. These plants all grow from storage-adapted roots and tend to flower with large, showy blooms. Since there are so many different kinds of irises that have evolved in different climates, most gardens can be planted with at least one kind that will adapt well. There is a wide selection of sizes and colors – even combinations of colors — available. Irises can slip into designs for shade or sun, formal or informal landscapes, or gardens in a wide range of styles. The following are just some of the popular types of iris.  

Bulb irises are usually early blooming flowers that are easily planted as dormant bulbs. These tend to be smaller types of iris that readily spread into attractive clumps. Many varieties are ideal to cluster in garden beds or even naturalize into lawn edges to give an informal look to the garden. The most common colors are blues, purples, yellows and whites. The bulb iris blooms in early spring, shows off colorful blooms then dies back down quickly to leave room for later flowering plants. Like all bulbs, foliage should remain attached to the plant until yellow or brown so the energy can settle back into the bulb to be stored for next year’s growth.

The bearded iris is well known for its big, frilly, lollypop flowers. These plants come in an assortment of colors and blends, all with fuzzy stripes (‘beards’) on the inner central part of the lower petals (falls). Bearded Irises grow from creeping rhizomes.

Water irises make up a number of irises that love to grow in wet, boggy areas. One group, the Louisiana hybrid, displays some of the showiest blooms in moisture-loving irises. It flowers in a wide range of colors. These irises are ideal for wet areas or ponds.

A less well-known iris is the Japanese iris. Flowers have a slightly unusual flattened, yet very large decorative petal arrangement. This iris likes moist soil and holds its huge bloom high on a tall, thin stalk.

The ‘Pacific Coast Hybrid’ irises are colorful hybrids of several native California species including the Iris douglasiana. A variable plant, it has short-lived blooms that open in succession to put on a colorful spring show. They prefer a little dappled shade or full shade. These irises come in an assortment of colors and are quite drought tolerant.

This is only a small selection of the wide range of garden iris plants. Some handle wet conditions whereas others like it dry. Some tolerate shade and some prefer full sun. There are more iris varieties like English Irises, Reticulata irises (bulb), Dutch and Spanish irises. There are so many colorful and decorative irises that are adapted to different climates, designs and themes that there should be a good selection to choose from for your garden, no matter where you live.

Plant profiles: Rosemary ‘Ken Taylor’

There are many different varieties of rosemary you can grow in your garden. There are shrubs that grow from trailing groundcovers to sprawling four foot tall bushes. Some flower in blues, some lavender, some in pink, and some in shaded whites. All are herbs that have the unique rosemary scent and essential oils that can be used in cooking or for medicinal purposes. One of my favorite rosemary plants is the ‘Ken Taylor’. This is a cultivar that grows about two feet tall and stays reasonably neat looking – more than most other varieties. It blooms in early spring with brilliant sky blue flowers unlike the usual dull, pale flowers.

A well-behaviored plant, the Rosmarinus ‘Ken Taylor’ loves full sun in lean, well-drained soil, the same as other rosemary plants. It will handle light frosts and high heat. It also does well in dry air where so many other plants fail to grow.

Grow rosemary in informal or formal garden designs. It will tolerate pruning and looks fine when allowed to determine its own shape. The bright blue color is startling when the plant is in flower so design it where it can strut its stuff in spring. You can even grow a garden of mixed rosemary plants in different growth habits and flower colors. These plants will stay handsomely evergreen and make a good foil for other flowering plants. They also look fine on hills or slopes where they can decoratively help stop erosion.

 

Olive Tree Information (Olea europaea)

 

Plant profiles: Olive trees

Olive trees are one of the most attractive trees to use in a Mediterranean, Southwestern, or romantic styled landscape designs. Native to the eastern parts of the Mediterranean, Asia and Africa, the olive tree can grow into a small to medium sized tree usually topping out between twenty five to fifty feet tall and often wider than high. Young olive trees can be single or multi-stemmed and quite graceful. The multi-stemmed trees tend to grow shorter than single trunks. As they age they can acquire gnarled, sculptural branches that give them character. These handsome trees are evergreen so they will offer shade year round. Olives are ideal for drought-tolerant gardening and are low maintenance trees.

The fruit can be a problem. For people who enjoy processing olives for eating – they are very bitter and can be slightly toxic if eaten raw – the fruits can be a a fun project to cure and preserve. For landscapes where the goal is purely aesthetic the fruits can become a nuisance, littering the ground and staining concrete surfaces. There are several kinds of olive trees that would be better selections to use for landscaping where the fruit is not desirable.

The Olea europea ‘Majestic Beauty’ with its small, inconspicuous fruit is a good choice for an attractive olive tree without the mess. More expensive to purchase is the Swan Hill Olive® of Olea. This olive does not produce fruit and, although it is a little more costly since the variety is still under patent, it is a lovely tree that will give you years of easy-care beauty. The Olea ‘Wilsonii’ is another good fruitless choice olive tree. All these are ideal for lovely and practical landscape use. Some people are allergic to the pollen from olive trees. This would be another reason to select one of these non-fruiting varieties.

The olive tree is an evergreen native to warm, sunny climates. It thrives in dry summers and well-drained, calcareous (lime rich) soil. Where happy it will eventually grow into a handsome shade tree or create an attractive backdrop for other plants. Fruitless varieties are also good choices for designing near water features like ponds or swimming pools. It is one of the best shade trees to plant for evergreen performance in areas of poor soils, hot sun and low rainfall.

Design with lilacs in the garden

Because of their showy, scented flowers, lilacs are popular shrubs to grow in the landscape. In cold climates these shrubs can grow to the size of a small tree. They usually grow with multiple stems in a form that looks like a large shrub. Some lilacs can grow on a single thick stem that makes them look more like a tree. Lilacs (Syringa)  have been a favorite for decades and are ideal for a romantic, woodland, English or old-fashioned style garden or can be integrated into many other beautiful garden themes. Many varieties offer good cut flowers that will provide a decorative indoor bouquet that will fill your home with a delightful perfume.

The most frequently grown lilac is the Syringa vulgaris. This lilac comes in purples, blues and whites. There is a group of plants developed especially for warmer climates known as the Descanso hybrids. These come in an assortment of colors including pink. Most tend to grow to only about six feet tall. These are more likely to bloom well in the south and the west of the country despite the lack of cold winter temperatures.

Grow lilacs for beauty where they can soften angles by filling corners with soft foliage. Use a lilac for a focal point or to drape over fences and arbors. The lilac will also make a fresh green backdrop in the back of a large flower border. Plan on the lilac losing leaves in the winter showing the branch framework until it leafs out in the early spring. The flowering period is relatively short but leaves form a good fill with handsome foliage. Plant them neat seating areas or by windows and entryways where the fragrance of flowering lilacs can be appreciated.

Give lilacs a rich soil and good drainage. They need full sun and room to grow. Lilacs don’t suffer from a lot of diseases and pests and are best trimmed to control size and shape. Easy to cultivate, grow lilacs for their beauty and scent, they are a welcome addition for most any garden.

Grow the Chasmanthe (African Flag, African Cornflag or Corn Lily)

A showy flower that is all too often confused with Crocosmia (Montbretia) is the Chasmanthe. It is commonly known as the African Flag, African Cornflag or Corn Lily. This plant grows from a bulb (actually a corm) and puts on a colorful show during late winter when little else is in bloom. Bright orange, yellow or red-orange narrow trumpeted flowers line up on one or both sides of the stem tips, flower heads being held just above the strap-shaped foliage. Bulbs form large clusters and make eye-catching clumps when flowering.

Let the foliage die down after flowering to store energy for next year’s growth. Originating in South Africa, these plants are tolerant of dry, poor soils and sleep through hot summers, sending up new green leaves in autumn. They love plenty of full, bright sun.

The Chasmanthe can handle light frosts and prefers well-draining soils. These plants are rarely bothered by gophers or ground squirrels (which is rare for these bulb-loving rodents), but deer will nibble on foliage.

Design the Chasmanthe around rocks and outcrops where it will look natural. Plant it to fill small areas and set them ablaze with color early in the earliest weeks of spring. Or mix groups of these bulbs with larger perennials or shrubs so you can mask the fading after-bloom foliage with neighboring plants.

If you aren’t sure whether you are growing Crocosmia or Chasmanthe, the blooming time will help you identify your plant. Not only does the Crocosmia bloom later in spring, but the Chasmanthe flowers are narrower with a longer petal arching over the top of the flower.  The Crocosmia flowers are spaced slightly wider along the stem and equal-length petals flare wider at the tips.

Although this is a tough, showy plant, there are some parts of California where it has become so comfortable that it is becoming invasive. Always check to make sure whatever plants you choose for your garden are considered safe in your area.

Plant profile: Festival Grass™

A rather recent introduction into the world of colorful garden foliage plants is the Festival Grass™ . This is a member of the Cordyline family. Cordylines are typically tropical plants with showy, colorful foliage. Some

have been popular house plants, like the ‘Ti Plant’or ‘Good Luck Plant’ (Cordyline terminalis). The other half of the family grow in Australia and reach small tree-like proportions with simple branching and stiff leaves. These are tougher plants, drought-tolerant, and capable of growing well even in poor soils. Although the original species were mostly plain green or tinged with purple, hybrids now offer colors with chocolate, yellow, and even bright pink hues. All cordylines have wide, ornamental, grass-like foliage that grows around a central stalk.

Festival Grass™ has a look that seems half way between the delicate thin leaves of the tropical varieties and the stiff Australian types. It has a glowing burgundy red color thatsuffuses the entire leaf. The leaves are flat, about a half inch wide, pliable, and graceful. I They form a decorative, arching fountain in the landscape design. This plant carries the rather cumbersome official name of Cordyline hybrid var. ‘JURred’ P.P.# 14224.

 

Festival Grass™ grows to a height of two to three feet tall. It loves a moist soil, but has proven to be reasonably drought-resistant. Give it full sun in mild areas, but offer some shade in dry, hot gardens. The Festival Grass will handle a light frost.

Use the eye-catching foliage to accent the garden with ruby gem stone glowing color year round. In the spring it puts out a spray of delicate whitish flowers. It is decorative enough to be a focal point as a single plant or design Festival Grass™ plants into the landscape in clusters for high impact color. It also looks good used like an ornamental grass.


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