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Plants beginning with H'
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Habranthus
robustus --
Argentine Rainlily -- These
have been hanging around our greenhouses for many years, faithfully producing
their large, cheerful pink flowers every summer, and multiplying without
our help. We always liked them, but never got around to figuring out what
they were; we got them as a "South American Amaryllid" and so assumed
they were tropical. But then we realized they looked a bit, but not quite,
like Amaryllis belladona, which is pretty hardy. Turns out it wasn't
hard to identify once we actually tried. It also turns out to also be
pretty hardy, though whether it's to zone 6 or just to zone 8 is a matter
of dispute. The American Horticultural Society says zone 9, but nearly
every nursery that offers it says at least zone 8, more commonly 7b. Likes
sun and dryish conditions, and bursts into bloom with the summer rains.
The 2" trumpet flowers are on 6" spikes, above dark green straplike leaves
that are mostly prostrate. Naturalizes easily. |
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Hakonechloa macra 'Aureola' -- Japanese Forest Grass --This variety has a basically gold leaf with thin green stripes running its length. Some leaves may be white with green stripes, and there can be a reddish tinge in summer if exposed to much sun, but it is mainly a plant for lighting up a shady spot. Grows in a clump about a foot high and half again as wide, and is very elegant in a shaded area. Zones 5-9. |
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Hakonechloa macra 'All Gold' -- No variegation, just a solid gold-tinged leaf. Zones 5-9. |
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Halleria
lucida -- Tree Fuchsia -- This small South African tree is considered
hardy only to zone 9, though we think it merits a try in a protected position
in zone 8b, and also thrives in a cool greenhouse. It grows to perhaps
15', though potentially much larger in cultivation, with arching, drooping
branches of attractive, glossy, pointed leaves. It has a very unusual
flowering habit: although flowers can appear in the leaf axils, they can
also grow on short shoots from old wood, even directly from the main trunk,
as shown in the picture. The flowers are tubular and orange-red, giving
rise to the common name Tree Fuchsia (other plants share this common name;
common names are not reliable), and are attractive to nectar-seeking birds.
The subsequent fruits attract fruit-eating birds. These are black when
ripe, edible in a pinch, but not tasty.
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Haloragis erecta -- 'Wellington Bronze' -- Great foliage contrast in this 3'x3' New Zealand shrublike perennial, both in terms of its bold bronze coloration and the distinctive texture created by its sawtooth leaves. Flowers are small and inconspicuous, but the foliage is great to break up the monotony of green. Takes sun, but likes moist soil. Some claim hardiness to zone 6; zone 8 is probably safer. Semi-evergreen. Haloragis is called Toatoa by the Maori, Seaberry by others. Relatively rare in cultivation, even in Wellington. |
| Haworthias
are basal-leaved, clump-forming stemless succulents from southern Africa
that have patterned leaves and translucent to almost transparent leaf
parts. The transparency allows sunshine to the inner parts of the leaf,
which better allows the plants to grow under larger plants and in rock
crevices, where they are protected from grazing animals. Flowers on long
spikes may poke out of the crevices like periscopes, revealing their hiding
places.
Note: we are not expert in the identification of this genus. The names represent our best guesses as to species, and we haven't tried to discern varieties. If you are a serious collector, you shouldn't trust our names, but then you probably already have these species. |
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Haworthia
cymbiformis -- The fastest-growing of the Haworthias we grow,
it develops 3" rosettes of semi-transparent, pastel-green leaves, and
becomes faceted as it pups. Small creamy tube flowers on short stems.
Zone 10/houseplant. |
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Haworthia mutica, pictured at the top of the page, has stout triangular leaves with transparent tips. It will take temperatures right down to freezing for short periods and, unlike most succulents, prefers light shade and regular but not heavy watering. It bears small, two-lipped white flowers in summer. |
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Haworthia (retusa? ) tessalata -- Star Cactus -- SOLD OUT |
| Hebe is a genus of 100 species of evergreen shrubs, along with many named varieties. They are mainly from New Zealand, and therefore require a mild climate: not too hot, not too cold. In fact, coastal climates are just about the only good choice for Hebes in the US. If you live in a mild climate, Hebes have a lot to offer, including profuse and long-season flowering, drought tolerance, tidy appearance, and easy care. They have small, closely-set leaves that form a compact mass, and pointed terminal racemes of many tiny flowers that may be white, pink, violet, blue, or red, depending on species or variety. Most are small, 1-3', but some may reach 6-8'. Different varieties bloom at different times, spring through fall, and most produce a lot of flowers. Hebes want full sun and good drainage. Our selections come from a high, windy zone 8 location, so have shown more cold-hardiness than some varieties. All the varieties offered have taken mid-teen temperatures, at least. Because they require moderate climates, demand for them is limited, so we offer them at $3.00. | |
| Hebe albicans 'Snow Cover' -- A subalpine prostrate form that's useful as a groundcover or to flow over the edges of a pot, covering them. Small grey-green leaves and abundant white flowers. |
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Hebe 'Blue Mist' -- A 2x2' shrub with lavender-blue flowers that fade to baby-blue. Flowers from June until frost. Shiny green leaves on black stems. A rounded, dense, bushy shrub with greygreen leaves. |
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Hebe 'Bracken Hill' -- Small, semi-prostrate evergreen shrub to 6x18" with small, oval, green to grey leaves. Inch-long light blue/mauve flowers that fade to a lighter blue. Zone 8, sun.
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Hebe glaucophylla -- Compact, rounded, about 2 ft. high and wide. Half-inch-long, roundish blue-green leaves. Abundant white flowers in short, dense clusters. Neat edging plant.
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Hebe 'Sapphire' -- An upright shrub to 3', with stems and leaf centers that turn red during cool weather. In warm weather, color is provided by the 3" bloom spikes. |
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Hebe
'Red Edge'
-- A smallish
(18"x24") shrub with tightly-packed small leaves on upright
stems. In cool weather, the edges of the leaves turn purple-pink. Lilac
flowers fade to white. Zones 8-10. |
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Hebe 'Western Hills' -- Tiny blue leaves to 1/2" and pale lavender flowers that fade to white. A subshrub to 3x3', this is among the hardiest of the hebes. From Western Hills Nursery in California. |
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Hebe 'Wingletye' -- An evergreen groundcover to 8x40". Tiny greygreen leaves and light purple flowers that last most of the summer. |
| Hedychium -- Ginger Lily --The common name "Ginger" can refer to a lot of different plants, depending on who's talking. "Wild Ginger" is a name given to a group of small groundcovers that bear no resemblance to the ginger found on the produce aisle. That so-called "ginger root" is the rhizome of a Zingiber species, a member of the family Zingiberaceae. Other members of this family, such as Hedychium, Curcuma, Alpinia, Costus, Cautleya, Globba, Roscoea and others are also called gingers. The ginger of commerce, Zingiber officinale is not particularly ornamental, but many Hedychium species are used in cooking by indigenous peoples where they grow. The ornamental varieties offered here are sometimes called Ginger Lilies, and are renowned for their showy, usually very fragrant flowers. They grow tall, somewhat resembling corn plants, and thrive in moist, fertile soil, and, for the most part, light shade. Although Hedychiums have traditionally been considered tender plants, it's now well-established that many of the species that go dormant in winter are hardy to zone 7, especially when mulched. Gingers are vigorous growers, so not much will be lost in this way. Our gingers are usually shipped bare-root from gallon pots, or may be shipped as dormant rhizomes during parts of the year. | |
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Hedychium gardnerianum -- Kahili Ginger is about all you could ask for; it's cold hardy, large and vigorous, spectacular in flower, free-blooming, and beautifully scented. However, don't plant it in hot climates with humid summers, e.g. Florida; under those conditions it can become an invasive pest. Low humidity in the west and low soil temperatures in the northeast will keep it under control. It can be grown in pots as well, but needs to be divided now and then. To 7'. Zone 7b. |
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Homalocladium platycladum -- Tapeworm Bush -- An oddity from the tropical rainforests of the Solomon Islands, Homalocladium is, like rhubarb, a member of the Buckwheat family (Polygonaceae). A shrub to 12' in the wild, it usually stays at 2-5' in cultivation. It's glossy stems, easily mistaken for leaves, are long, jointed, and very flat, like an anorexic Christmas cactus, though not succulent, but thin, flexible and leathery. Lance-shaped leaves emerge from the joints, but they are less noticeable than the stems. Occasional small, greenish flowers and later fruits are somewhat beside the point, and aren't always seen on container-grown plants, but the foliage is definitely unique and interesting. Needs a zone 10 climate outdoors, but performs well as a house or greenhouse plant so long as it is kept moist and has good light. |
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Houttuynia cordata 'Tricolor' -- Chameleon Plant -- A colorful groundcover for moist shade or a bog, this plant can get where you don't want it, but is easily controlled. Eaten as a vegetable in Asia, it has a unique fragrance that's difficult to describe--maybe a hint of citrus. Bright white flowers in spring. Zones 6-10. |
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