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Acorus (Sweet Flag)
Long prized in Japanese gardens, acorus have finally gained the acceptance of American gardeners. Acorus are best used as evergreen accent plants in moist woodland gardens or as marginal aquatics, where their unique colorations give great effect in the summer as well as the winter. Their subtle charm as evergreen groundcovers improves with age, as they blend effectively with a wide array of woodland plants. |
Acorus calamus 'Variegatus' (Striped Sweet Flag)
Part Sun to Light Shade Zone: 4-9 36" tall Origin: USA, Europe
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A true plant mimic! This aroid relative (former member of the family before the molecular taxonomy mob ousted it) masquerades perfectly as a dramatic, upright iris. The vivid white-and-green banded stalks make this one of the most strikingly beautiful vertical accent plants in the garden! Sweet flag spreads slowly by means of a very thick above-ground rhizome. Sweet flag loves a moist spot such as a bog but will grow in ordinary garden soils...a real prize! Pot size: 24 fl. oz (709.77 ml) #00767
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Acorus gramineus 'Minimus Aureus' (Dwarf Golden Sweet Flag)
Part Sun to Light ShadeZone: 5-9 3" tall Origin: China, Japan
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One of the most striking and certainly the cutest of the sweet flags, this dwarf golden form makes a slowly spreading tuft of tiny, golden, evergreen grass-like foliage. A. 'Minimus Aureus' makes a bright little groundcover in moist areas or as a feature between stepping stones...a real highlight in the woodland garden. Pot size: 24 fl. oz (709.77 ml) #00323
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Adiantopsis
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Adiantopsis chlorophylla coll. #A1AG-261 (Argentine False Maidenhair)
Sun to Part SunZone: 7b-10 24" tall Origin: Argentina alternate image
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I first encountered this cool, deciduous fern (related to cheilanthes) north of Tucuman, Argentina. In form, it looked like a Cheilanthes lanosa on steroids. The 2' tall, very lacy fronds have nearly black stipes and form a gorgeous, 2' tall x 2' wide clump. In the wild, we saw it growing on a moist ditch bank...the opposite conditions from most cheilanthes. So far, it has been surprisingly hardy in our trials, enduring 8 degrees F with no problems. I understand that the Evil Empire of Taxonomy is working to disassemble this species into many little pieces...stay tuned. Pot size: 24 fl. oz (709.77 ml) #05384
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Adiantum (Maidenhair Fern)
We have long been fascinated by the simple beauty of maidenhair ferns as well as their amazing worldwide distribution. Often, the same species, which are native in the US, are also native around the world. Adiantum are typically found on neutral to alkaline moist soils, and these conditions make for good garden success as well. Despite their dainty appearance, they are tough, easy-to-grow garden subjects. |
Adiantum capillus-veneris Michigan Form (Southern Maidenhair Fern)
Light ShadeZone: 6-8, at least 8" tall Origin: USA
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We purchased this form of the southern maidenhair fern from Siskiyou Rare Plant Nursery many years ago but have been unable to track down its original location in Michigan. This form makes a much smaller clump than the more vigorous forms farther south. The shiny black stipes are adorned with dainty green pinnae. Adiantum capillus-veneris prefers a rich, moist soil where in 5 years, it should form an 18" wide patch. This form has proved to be extremely difficult to propagate from spores, so quantities are limited. Pot size: 24 fl. oz (709.77 ml) #04978
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Adiantum capillus-veneris 'Rock Springs' (Southern Maidenhair Fern)
Part Sun to Light ShadeZone: 7-9, at least 12" tall Origin: USA
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(coll. #A2T-034) This form of the wonderful southern maidenhair fern, Adiantum capillus-veneris, comes from spores that we collected in 2000 in the Edwards Plateau region of TX near the town of Rock Springs. Not that you are interested, but we were stopped three times by border patrol agents who searched our backpacks for illegal aliens...glad I carried a small backpack. Plantsman Scott Ogden showed us this population growing along a small creek in a very alkaline soil. Our 5-year-old clump is 1' tall x 2' wide and, as you can imagine, quite heat tolerant. Pot size: 24 fl. oz (709.77 ml) #06137
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Adiantum hispidulum 'Mt. Haleakala' (Rosy Maidenhair Fern)
Part Sun to Light ShadeZone: 8-10, colder with protection 12" tall Origin: Asia
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(coll. #A1HA-016) Rosy maidenhair is commonly grown as a houseplant but few gardeners realize its winter hardiness. A. hispidulum is easy to grow and reliable in Zone 8, but has also been hardy in protected sites in the warmer parts of Zone 7. A. hispidulum makes an attractive 1' tall x 1' wide clump with fronds which emerge rosy red...hence, the common name. Our spores came from 5000' near the top of Maui's famed Mt. Haleakala. Our plants have been in the ground since 2004. Pot size: 24 fl. oz (709.77 ml) #05934
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Agapanthus (Lily of the Nile)
The tropical-looking, strap-like foliage of lily-of-the-Nile blends well into many planting schemes, but the flower heads are out-of-this-world gorgeous spheres of tubular blue (or white) flowers held high on sturdy stalks. We are excited to offer the following hardy selections of these South African landscape staples. Agapanthus require plenty of moisture throughout the growing season, and a handful of organic fertilizer never hurts. |
Agapanthus 'Back in Black' PP 16,244 (Back-in-Black Lily-of-the-Nile)
Sun to Part SunZone: 7b-10, at least 24" tall Origin: Hybrid
Not to be confused with the alien fighters of a similar name, Agapanthus 'Back in Black' is a new lily-of-the-Nile from Holland's Piet Zonneveld. This 2005 introduction produces dark green flower scapes, which age to black, from the strap-like green foliage in late summer. The 2' tall flower scapes are topped with flower heads of very dark blue-purple flowers...quite striking. This is patented as an A. africanus selection, but being an open pollinated seedling, this species assignment is highly suspect.
Pot size: 24 fl. oz (709.77 ml) #06170
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Agapanthus 'Blue Globe' (Lily-of-the-Nile)
SunZone: 7b-10, guessing 36" tall Origin: Hybrid alternate image
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This selection of the deciduous A. africanus makes a typical rosette of green, strap-shaped leaves. In July, the clumps are topped with 3' tall flower spikes ending in a 5" diameter sphere of light blue flowers...perfect to provide color during the summer months. This is a new cultivar for us that we have brought in for trials and have only a few to spare...enjoy. Pot size: 24 fl. oz (709.77 ml) #05248
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Agapanthus 'Elaine' PP 7303 (Lily-of-the-Nile)
Sun to Part SunZone: 7-10, at least 36" tall Origin: Hybrid
From California's Archie Amate comes this 1990 introduction, a phenomenally vigorous evergreen (in mild climates). Lily-of-the-Nile makes a fast-growing 3' tall clump of green strap-like leaves, topped in midsummer with dark blue-violet (RHS 93A), 8" wide flower heads on 50" tall stems. Pot size: 24 fl. oz (709.77 ml) #03513
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Agapanthus 'Storm Cloud' (Lily-of-the-Nile)
Sun to Part SunZone: 7b-10, at least 24" tall Origin: Hybrid
Thanks to Barrie Coate for setting us straight on the origin of this great plant. When Barrie was director of the Saratoga Horticultural Foundation, he selected this gem from thousands of open pollinated seedlings from the deciduous A. 'Mood Indigo'. The resulting evergreen selection (only to 28 degrees F) is a dynamite lily-of-the-Nile with the typical strap-like foliage to 24" tall. Through late summer, the huge clumps of foliage are topped with giant, magnificent flower heads of bluish-purple on very sturdy stalks to 4' tall...WOW! Pot size: 24 fl. oz (709.77 ml) #01342
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Agapanthus 'White Heaven' EUPBR 2026, PP 15,811 (White Heaven Lily-of-the-Nile)
Sun to Part SunZone: 9-10 36" tall Origin: S. Africa
From Kees de Jong of Holland comes an amazing agapanthus that appeared in his cut flower field of blue Agapanthus africanus. The deciduous (evergreen in mild climates), 1.5" wide green foliage makes a 2' wide clump, topped in midsummer with 30" stalks of huge 10" flower heads of up to 80 pure white flowers each. I've grown lots of agapanthus and have never seen any cultivars with this large of a flower head. Pot size: 24 fl. oz (709.77 ml) #06390
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Agastache
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Agastache 'Blue Fortune' (Blue Fortune Anise Hyssop)
SunZone: 6-9, at least 36" tall Origin: USA Hybrid
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Wow! Wow! Wow! When my friend Gert Fortgens of Arboretum Trompenburg in Holland told me about his cross of the US native A. foeniculum with the Korean A. rugosa, the offspring sounded too good to be true. However, after trialing A. 'Blue Fortune' in our dry garden, I consider it one of the finest new perennials in years! In the spring, the strong new stalks shoot upward to 3' tall, clothed with fuzzy, licorice-scented leaves. From early spring through summer, the stems are topped with hundreds of large bottlebrush, blue-lavender flowers that attract a stunning array of pollinators! Pot size: 24 fl. oz (709.77 ml) #03209
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| <Abutilon - Aconitum] | [Agave I> |
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