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Category Archives: Garden Blog

Two For the Summer Sun

May and June have given way to hot sunny days. Two heat-loving varieties really come into their own now: Salvia greggii and Angelonia angustifolia. Though both are heat and drought tolerant, occasional watering and a good mulching through the heat will keep them looking their best.

Salvia greggii is revered for its neat appearance being a roundish shrub, 1′ to 4′ high and wide. Covered with dark green leaves and a full flush of blossoms from summer through fall it is an excellent focal point in the hot summer landscape, or great as a low hedge. It’s also a hummingbird and butterfly attractor. Flower colors run from deep reds, purples and pinks to coral, salmon and white.

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Black Roses, Dragons and Snowy Volcanoes

Approximately 19 million years ago in the Mediterranean, a plant emerged that is considered to be the ancestor of the Aeonium. As eons passed, seed from this ancestor found its way to Canary Islands. Aeoniums have since flourished in the Canary Islands, land of legendary “Atlantis”, and of the venerable Dragon Trees (Dracena draco), the snow-capped volcano Teide, and balmy pine forests, brightly lit with canaries and parrots.

Aeoniums provide the gardener with easy-care, water-wise, yet striking accents for the garden or patio. Usually forming clusters of geometric rosettes atop taller stems, Aeoniums give the impression of a bouquet of everlasting long-stemmed roses. Some species occur as cristates, forming fascinating fan shapes of frilly leaves.

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True Survivors: Summer’s Succulents

I consider myself to be a good horticulturist and decent grower, but over the years of gardening, I have killed off a fair amount of plants. The survivors throughout the years have been my succulent collection, which have been fairly forgiving of my gardening lifestyle. After managing a nursery all day, the last think that I want to do is come home and water plants in the evening, usually putting this and other tasks off until my day off. Even I have killed many a rose at my house because it could not wait for me to have the time to water it, and I am a grower who oversees thousands of roses each day.

Succulents are great plants to use in the garden. They are easy to grow, requiring little water, fertilizer, care and maintenance. They are highly adaptable to difficult situations, such as rocky or poor soil, hillsides, crevices, small gardens and container plantings. With great foliage colors, unique textures & shapes, plus beautiful flowers, using succulents can a create true leisure landscape. I have found succulent plants to be patient with me and my lack of time for gardening. To give you an idea of how these plants can be, I planted an Agave in a container that had been sitting around the nursery on a pallet, neglected for years. This same plant sat in the same pot with no fertilizer, an occasional watering, in hot and bright sun for 25 years, becoming one of the nicest container plants in my collection. This year that same Agave finally bloomed! When I lived in a townhouse with a very small patio and extremely hot sundeck, my succulent collection grew as they are highly adaptable to container gardening and could adapt and survive the harsh exposure of the deck. My neighbor, who loves plants, had a problem keeping color bowls alive in front of her house. The exposure was full sun and they were constantly drying out. I planted her some colorful succulent bowls and her problem was solved.

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Cacti Amidst Fire and Ice

At this time of year, cacti collections are bursting forth in color ~ Mammillarias with floriferous rings of vivid magenta amid Notocactus crowned with yellow, pink, or purple flowers. Fanciful flashes of color from Gymnocalycium, Rebutias, Lobivias and Echinopsis. But amongst the desert cacti, none can surpass the flowers of the Trichocereus grandiflorus hybrids for sheer flower power.

Catamarca, Argentina is a land erupting in volcanic fire, quickly changing to the glacial cold of the Andes. Nearby is the most arid desert in the world, the desolate Puna de Atacama. Inhabitants must be very rugged in order to tolerate such extremes in exposure. Trichocereus grandiflorus is such a robust individual. This tenacious Catamarcan columnar, with blood red flowers and decorative spine formations, has been the subject for years of intensive selective hybridization. As a result, Trichocereus grandiflorus hybrids now flower in a vast array of colors, including yellow, rose, crimson, orange, violet, white and even bicolors. Flowers can attain 9″ in diameter, rivaling even the giant flowers of the epiphytic “Orchid Cacti” (Epiphyllums).

Trichocereus grandiflorus hybrids are excellent for landscapes, being very tolerant of poor soils, extremes in exposure, and in time, forming attractive columns that explode yearly in vivid floral displays.

by Renee O’Connell
Originally published in Garden Compass magazine
July/August 2002
Used with permission.

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The Perennial Music Hall

A new age has begun in the gardening world with the introduction of product lines such as Altman Plants Top Performers. Thanks to science and modern hybridizing the music in the garden no longer refers only to the chirps of a goldfinch, chatter of a chipmunk, or the babbling of a brook. The flowers are now singing with unprecedented colors and vigor through procedures like vegetative propagation and virus indexing for increased health and hardiness. Who knew a couple of years ago what a Sutera (Bacopa) was? Now from the humble beginnings of the plain white Bacopa, hybridizers have developed an array of colors: pinks, blues, lavenders even red. Calibrachoa, a tropical cousin of the Petunia, was until recently unknown to the general gardening public but has added a new note of excitement with its hardiness, flexibility and ever increasing color options.

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Scintillating Succulents – Mesembs, Lithops, Spilt Rock, Baby Toes

The ordinary garden of the past is no longer acceptable to many garden enthusiasts. Today’s discerning gardener searches for plants that will satisfy his or her need for aesthetic fulfillment, and at the same time be “eco” friendly. Cacti and succulents, the relatively unknown treasures of the deserts and mountains, are providing fantastic new possibilities for today’s landscapes. The rich palette of colors, combined with dramatic and unique shapes, gives the artist every conceivable tool necessary to create not only incredibly beautiful desert scapes and rockeries but also unique mixed plantings, which might include silvery epiphytic herbs, xeriphytic ornamental grasses or even miniature conifers.

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