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Napaea
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Napaea dioica (Glade Mallow)
Sun to Part Sun Zone: 5-7 84" tall Origin: USA
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(syn: Sida dioica) Here is a very cool plant to fool your favorite know-it-all gardener. This US native (from Minnesota south to Virginia) is found in moist prairies, ditches, and marginal wetlands. This hibiscus relative will make even the most avid gardener swear it's a ligularia. The 11-lobed, dark green leaves form a 3' wide basal clump that looks quite saxifragesque. In early summer, the clump gives rise to a 7' tall stalk of white malva-like flowers. We have found this to do best in a moist, partial-sun site. Pot size: 24 fl. oz (709.77 ml) #03738
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Nerium (Oleander)
We spend quite a bit of time looking for cold-hardy forms of plants that should not survive here, and oleanders are ones that have provided some interesting results. After our minus 9 F winter in 1984, we were able to find three colors of oleanders growing locally that had survived the freeze. While they may show foliar damage after severe winters, they resprout quickly in spring. It is important to establish these early in the season in zone 7, and remember that microclimates (warm pockets) will also help. |
Nerium oleander Hardy Double Yellow (Hardy Yellow Oleander)
Sun to Part SunZone: 7b-10 72" tall Origin: China
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We are pretty sure that this is actually the cultivar Mathilde Ferrier. After our 1984 freeze-from-hell in which we hit minus 9 degrees F, I began a search in our local area for oleanders that had survived our killer freeze...there weren't many. One of the plants that I found was this form which, although burned from the cold, resprouted with great vigor. Atop the 6' tall bushes are dozens of double, light yellow flowers in late summer. Pot size: 24 fl. oz (709.77 ml) #03785
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Nicotiana
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Nicotiana glauca 'Salta Blues' (Blue Tree Tobacco)
SunZone: 7b-9, at least 84" tall Origin: Argentina
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You will flip...your neighbors will say WHATZAT?...while you make all of your master gardener friends look like idiots as they try to identify this, your newest perennial. The 8" long, glaucous foliage adorns 7' tall stalks...perfect for the back of the border. The top of the stems are further adorned with clusters of tubular yellow flowers from summer through fall. The form in the trade was not reliably winter hardy for us, but we have had good luck with this new accession from 8000' in Argentina's Salta Province. Pot size: 24 fl. oz (709.77 ml) #05721
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Nierembergia
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Nierembergia gracilis 'Starry Eyes' (Starry Eyes Nierembergia)
SunZone: 7b-9, at least 10" tall Origin: Argentina
This marvelous Yucca Do selection of the Argentine desert native Nierembergia gracilis is one of the finest plants that we have grown for summer flowering in full sun. Unlike most nierembergias, which melt in our summers, N. 'Starry Eyes' form
s a tight mound of linear foliage 10" tall x 18" wide. From spring until fall, the clump is smothered with up-facing, light lavender bells. Good drainage and 6+ hours of baking sun is required for best performance...absolutely outstanding! Pot size: 24 fl. oz (709.77 ml) #05660
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Nolina (Bear Grass)
We would like to present our expanded offering of these fascinating evergreen yucca relatives. Without the spines, they are quite structural, many reaching tree size. In the Southwest, the old foliage is used for making thatch roofs. Nolinas are great in the garden to provide some green foliage in the wintertime. |
Nolina sp. 'La Siberica' coll. #DO7-64 (Siberica Bear Grass Tree)
Sun to Part SunZone: 7b-10 240" tall Origin: Mexico alternate image
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According to Carl Schoenfeld at Yucca Do, this is the most distinctive bear grass he has ever seen. The 2" wide, dark evergreen leaves form a billowing, tree-like fountain of foliage atop a central stem that will reach 20' tall with age, resembling a ponytail palm (same genus). When mature, the giant stalks of foliage are topped with 4-5' tall, narrow flower spikes of white. Although this is still an unnamed species, it has proven to be one of the hardiest of all the nolinas, as it was discovered at 8380' in the dry side of an oak/madrone forest near the Nuevo Leon town of Siberica. Pot size: 24 fl. oz (709.77 ml) #04760
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Nothoscordum
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Nothoscordum montevidense (Thread-leaf False Allium)
Sun to Part SunZone: 7b-10, at least 4" tall Origin: Argentina, Brazil
NEW!
Thanks to bulb guru Thad Howard for sharing this gem. Thread-leaf false allium is a great rock garden plant composed of narrow thread-leaf foliage, topped in spring, then again in late summer, with clusters of small yellow flowers held just above the foliage. This is not a weedy species in a genus better known for its bad behavior. Reportedly, it has a lemon fragrance, but aging knees don't allow me to indulge as freely as they once did. Pot size: 24 fl. oz (709.77 ml) #07114
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Nothoscordum sellowianum (False Yellow Crocus)
Sun to Part SunZone: 7-8, at least 1" tall Origin: Argentina
(aka: Ipheion sellowianum) This has long been one of our favorite bulbs in the rock garden, and we finally have enough to share. These gems are found in the wild around Buenos Aires...the same area where Rhodophiala bifida grows. N. sellowianum makes a small clump of tiny, narrow green leaves, to 1" tall x 6" wide. It starts flowering for us in late January and produces a steady progression of brilliant yellow fragrant flowers until May. Unlike many Nothoscordums, this one is completely sterile, making propagation quite slow. Each pot contains at least two to three flowering-sized bulbs. Pot size: 24 fl. oz (709.77 ml) #06448
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Oenothera
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Oenothera 'Lemon Drop' PP 16,393 (Lemon Drop Evening Primrose)
SunZone: 6-8, possibly colder 6" tall Origin: Hybrid alternate image
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This new oenothera hybrid was given the illegitimate name O. 'Innoeno131', so we have adopted their illegal trademark name of O. 'Lemon Drop' as the first properly published cultivar name. This new hybrid from Germany's Innovaplant is a cross of the plant we used to know as calylophus...before the taxonomists got hold of it. This new selection makes an 18" wide clump of woody stems clothed in narrow green leaves and topped from May to September with a continuous show of round, bright yellow flowers. O. 'Lemon Drop' is a superb plant for the dry rock garden. Pot size: 24 fl. oz (709.77 ml) #07454
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Onychium
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Onychium japonicum 'Sichuan Lace' (Cat's Claw Fern)
Part Sun to Light ShadeZone: 7b-8, at least 12" tall Origin: China
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(syn: O. japonicum HH03CH111) We have long treasured this woodland fern, but found it very slow to build up enough to offer. This Hans Hansen spore collection from Ping Wu, China, has been much more vigorous than normal, so we're finally able to offer this for sale. The deciduous fronds arise in spring from a slowly creeping rhizome that makes a 3' wide clump in 3 years. Each frond resembles an extraordinarily lacy rabbit's foot fern...the most exquisite green lace that you can imagine. In the wild it grows on rocky cliffs to 14,000', but for us has been very happy in our woodland garden. Pot size: 24 fl. oz (709.77 ml) #05958
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Ophiopogon (Mondo Grass)
While everyone has seen the typical green mondo grass, the Japanese have been selecting new color forms and size variations for years. We are pleased to offer an ever-expanding selection of these great, durable, garden groundcovers for very shady sites. I’ve never met a mondo I didn’t like...borrowed the line from a great plantsman! |
Ophiopogon chingii (Bad Hair Day Mondo Grass)
Part Sun to ShadeZone: 6-8, at least 6" tall Origin: China
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This unusual, fine-textured Chinese mondo grass species makes a tight, 15" wide clump composed of very narrow green blades that resemble your hair when waking up after a long night of consuming adult beverages. The dark green clumps are adorned with 10" long stalks of tiny white flowers in late June...an easy-to-grow textural addition to the woodland garden. Pot size: 24 fl. oz (709.77 ml) #06469
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Ophiopogon formosanus BSWJ 3659 (Taiwan Mondo Grass)
Part Sun to Light ShadeZone: 7b-9, at least 4" tall Origin: Taiwan
This mondo grass comes from a Crug Farm collection at 7000' elevation on Alishan (Ali Mountain), Taiwan. The thread-like, light green 5" long foliage makes a slowly spreading patch (3' wide in 4 years). O. formosanus looks texturally unique from other small mondo grasses that we have grown. The patches are topped with short racemes of white flowers in summer, followed by large blue fruit. While all mondos are great for shade, we have found that O. formosanus performs best in light shade or with a couple of hours of morning sun.
Pot size: 24 fl. oz (709.77 ml) #07683
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Ophiopogon japonicus 'Comet' (Variegated Mondo Grass)
Part Sun to ShadeZone: 7-10, possibly colder 6" tall Origin: Japan
Ophiopogon 'Comet' is a little known selection of O. japonicus with narrow vertical white banding similar to other variegated cultivars, but the overall effect is a much darker plant, when used in mass. Whether there are less stripes, or the green is darker, we don't know...but it's definitely different! O. 'Comet' is not extraordinarily vigorous, but you should expect a 3' wide patch in 5 years...a great way to lighten the woodland garden. Pot size: 24 fl. oz (709.77 ml) #00963
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Ophiopogon japonicus 'Gyoku Ryu' (Dwarf Mondo Grass)
Part Sun to ShadeZone: 5-10 3" tall Origin: Japan
"Simply irresistible" is the best way to describe this dwarf version of mondo grass with dark green, grass-like foliage, which eventually makes a wonderful tight mat in even the worst of conditions. Plant dwarf mondo on 6-12" centers for a wonderful evergreen groundcover. O. 'Gyoku Ryu' could best be described as looking like a rich, dark green lawn of pre-mowed grass...what a great idea! Pot size: 24 fl. oz (709.77 ml) #00551
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Ophiopogon japonicus 'Seoulitary Man' (Clumping Mondo Grass)
Part Sun to ShadeZone: 6-9, guessing 12" tall Origin: Korea
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(aka: O. j. A1K-130) I spotted this unusual mondo grass when making the exhaustive hike over the top of Korea's Ullung Island in 1997. Unlike most mondos, this plant formed a very narrow leaf clump, to 20" wide x 12" tall, without any sign of a runner. The light lavender flowers of spring give rise to bright blue berries in fall. Although O. japonicus is the only species that this could be, it is unlike any O. japonicus that I've ever seen. This has great garden potential for the woodland garden where a running mondo is not acceptable.
Pot size: 24 fl. oz (709.77 ml) #06657
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Ophiopogon japonicus 'Torafu' (Zebra Mondo Grass)
Part Sun to ShadeZone: 6-10 4" tall Origin: Japan
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This is an exciting Japanese selection, first brought into the US by plantsman Barry Yinger. This dwarf, narrow-leaf form of mondo grass is highlighted with the rare, horizontal yellow banding seen in the zebra miscanthus. In a large patch, this spreading mondo grass makes a truly breathtaking sight from quite a distance. The original US clump at Maryland's Brookside Gardens is stunning! Expect about 3-4 years to develop a thick patch to get the best effect...get yours while they last! Pot size: 24 fl. oz (709.77 ml) #00565
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Ophiopogon planiscapus 'Arabicus' (Black Mondo Grass)
Part Sun to ShadeZone: 7-10 6" tall Origin: Japan
This has long been one of the stars in our NAACP (National Association for the Advancement of Colored Plants) garden...actually I think this black garden thing is catching on. Originally introduced in the US in 1960 by California's Oakhurst Gardens, each 6" tall circular mound is composed of truly black 1/4" wide foliage. Spreading slowly by rhizomes, a single plant will make a nice 18" wide mat in 3 years. For quicker coverage, we plant on 10-12" centers. This easy-to-grow groundcover makes a fabulous backdrop for blues, golds and good imaginations...do you have a dream? Pot size: 24 fl. oz (709.77 ml) #00721
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| <Monarda - Musella] | [Opuntia - Paeonia> |
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