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J. L. HUDSON, SEEDSMAN, BOX 337, LA HONDA, CALIFORNIA 94020-0337 USA
2014 SEEDLIST - Si - Sz
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Match term(s) in J.L. Hudson Search Index:

SIDALCEA (si-DAL-cee-a)
MALVACEAE. Annual and perennial herbs resembling miniature hollyhocks. Good in the border, and best in well-drained sandy loam and full sun.
—Sidalcea candida. (100) SIDL-7. Packet: $2.50
1/2 Oz: $9.00

'WHITE CHECKERMALLOW'. Small white flowers with bluish anthers, like miniature hollyhocks to 1" wide, in dense spikes to 2 - 3 feet, in summer. Hardy perennial with lobed 8" glossy leaves. Colorado. Zone 5. Makes nice clumps. Nick, hot water, or prechill. Some germinate in 3 - 4 weeks.
—Sidalcea Hendersonii. (80) SIDL-9. Packet: $2.50
Gram: $7.50, 5 gm: $16.00
'HENDERSON'S CHECKERMALLOW'. Showy deep pink hollyhock-like inch-wide flowers in spikes in early summer. Hardy tap-rooted perennial to 2 to 6 feet, with rounded 6" basal leaves and divided stem-leaves. Pacific Northwest. Zone 7. Nick seed.
—Sidalcea malviflora 'Purpetta'. (50) SIDL-16P. Packet: $2.50
Large purple-red miniature hollyhocks with white throats, in dense spikes produced over a long period from July to September. Hardy perennial to 3 - 4 feet, with attractive divided foliage. Zone 5. Good for cutting. Germinates irregularly over 2 - 8 weeks.
—Sidalcea malviflora 'Rosaly'. (50) SIDL-16R. Packet: $2.50
Beautiful soft pink miniature hollyhocks with fringed petals, in dense spikes, July to September. Hardy perennial to 4 feet, with attractive divided foliage. Zone 5. Good for cutting. Germinates irregularly over a long period. Prechill may help.


SILENE (see-LAY-nay)
CARYOPHYLLACEAE. Five hundred species of North Hemisphere annuals, biennials and perennials with showy flowers produced in profusion. Easily grown and valued in the border or rockery. Best in full sun and sandy soil, and even the annuals can be sown in fall for earlier bloom. Most kinds germinate in 8 - 23 days and flower quickly. They have extrafloral nectaries.
NEW—Silene capensis. (75) SILE-6. Packet: $2.50
1/4 gram: $7.50, Gram: $21.00
'XHOSA DREAM PLANT', KWAQUELA', 'MOLOKOLOKO'. 'White to pink five-petaled flowers. Perennial to 1 - 2 feet, with 1 - 3" leaves. South Africa. Moist sandy soil. The root is said to be used by the Xhosa to induce vivid dreams. Germinates in 3 - 8 weeks, best with 2000ppm KNO3 (potassium nitrate).

SILPHIUM (SIL-fee-um)
COMPOSITAE. Tall perennials grown for their large, sunflower-like blooms. Long lived and good in most soils, especially heavy ones. Full sun and easily grown. Stately plants for the back border or prairie and wild gardens.
—Silphium perfoliatum. (25) SILP-19. Packet: $2.50
'CUP PLANT'. Large yellow 3" wide daisies in clusters from July to September. Hardy perennial to 8 feet, with large, foot-long leaves forming a cup around the stem. S. Dakota to Mississippi. Zone 3. Good to naturalize in rich moist soil, sun or part shade. The thick rootstock is medicinal, considered to be a general restorative. Germinates in 1 - 4 weeks warm, often improved by a prechill or GA-3.


SIPHOCAMPYLUS (see-fo-KAM-pee-lus)
CAMPANULACEAE. Tropical American shrubs.
NEW—Siphocampylus aff. tupaeformis BK10509.11. (500) SIPH-AT. Packet: $3.50
Click for photo » Siphocampylus aff. tupaeformis BK10509.11-2.jpg (135413 bytes) Siphocampylus aff. tupaeformis BK10509.11-3.jpg (155393 bytes)
'K'AU SILLU'. Very showy tubular orange and yellow flowers in clusters on a perennial plant resembling Lobelia Tupa, to 2 - 3 feet. Collected at 10,000 feet in Cochabamba, Bolivia, by Ben Kamm. Sow on the surface, germinates in 2 - 6 weeks. For more seeds and plants grown by plant-explorer Ben Kamm, including many Andean rarities, see his website at www.sacredsucculents.com


SMYRNIUM (SMIR-nee-um)
UMBELLIFERAE. Hardy Old World biennial herbs with handsome divided foliage and yellow flowers.
NEW—Smyrnium Olusatrum. (50) SMYR-18. Packet: $2.50
Click for photo » Smyrnium Olusatrum.jpg (74409 bytes)
'ALEXANDERS', 'BLACK LOVAGE'. Stout biennial or perennial to 4 feet, with large glossy bright green divided leaves. Yellow flowers in 4" umbels, followed by black 1/4" fruits. Mediterranean. An ancient vegetable, it is mentioned by Theophrastus (322 BCE), was cultivated by Charlemagne (800 CE), reached the height of its popularity around 1550 to 1650, and had almost disappeared by the late 1800s, being displaced by celery. The young shoots and stalks were blanched and eaten, and have a celery-like flavor, but more pungent, and were used to flavor soups and stews. The sliced root was eaten raw in salads. Unopened flower clusters eaten. Germinates best in summer, seed sown in August germinates in 2 weeks. Fresh seed needs cold treatment. Hardy to Zone 5. Seedlings thinned out can be eaten. A forgotten plant. Germination is greatly increased by rubbing the black husks off the seed to germinate in 3 - 6 weeks without cold treatment.

"Besides love and sympathy, animals exhibit other qualities connected with social instincts, which in us would be called moral; and I agree with Agassiz that dogs possess something very like a conscience."—Charles Darwin.

SOLANUM (so-LA-num)
SOLANACEAE. A huge genus of 1400 species, from annuals to trees. Includes important foods (potato, eggplant, etc.), medicines, industrial crops and many ornamentals. Generally easy from seed, germinates in 1 - 3 weeks. Sow hardy types where they are to stand, and tender types early indoors. They are wonderful plants, many very ornamental, but surprisingly little grown. Buy 'em or lose 'em!
Nice collection of photos of Solanum species.

NEW—Solanum atropurpureum. (100) SOLN-6. Packet: $2.50
Gram: $7.00, 5 gm: $20.00
Striking ornamental with purple spines up to an inch long covering the entire plant. Tomato-like flowers followed by inch-wide round yellow-orange fruits. To 6 feet, with lobed leaves. Grow as an annual. "I grew a gnarly Solanum atropurpureum from you. It grew six feet high, was completely covered with very respectable thorns, and had a baleful purple cast to the whole thing. I called it 'Malevolence'. Thank you."—Kaminsky. Germinates in 2 - 4 weeks.
—Solanum aviculare. (100) SOLN-8. Packet: $2.50
'KANGAROO APPLE', 'KOONYANG', 'MAYAKITCH' (aboriginal names). Violet 1" flowers in clusters, followed by 1" yellow berries. Handsome shrub to 5 - 10 feet, with narrow, dark green, foot-long lobed leaves. Australia and N.Z. Zone 9. Often blooms the first year, and is a nice ornamental here in Calif. The leaves and stems are a rich source of the glycoalkaloid solasodine, used in the synthesis of steroids. The fully ripe fruits, after they have fallen, are said to be eaten raw, boiled or baked; if at all unripe they burn the mouth. Germinates in 2 - 4 weeks warm.
—Solanum X Burbankii. (100) SOLN-9. Packet: $2.00
Gram: $5.00, 10 grams: $20.00
'WONDERBERRY', 'MSOBA'. Deep blue 1/4" fruits with white bloom are sweet and edible, used for tarts, jams, etc. Compact annual to 2 feet. Caused a great controversy when introduced by Luther Burbank. Delicious and productive. Sow on the surface, seed needs light. Germinates in 2 - 3 weeks.
—Solanum integrifolium. (100) SOLN-30. Packet: $2.50
Click for photo » Solanum integrifolium4.jpg (87310 bytes) Solanum integrifolium vase.jpg (81287 bytes)
'RUFFLED RED EGGPLANT', TOMATO-EGGPLANT', or 'HMONG EGGPLANT'. Orange-red 1 - 3" ribbed fruits valued fresh or dried in flower arranging. Spiny annual to 8 feet. Tropics. Used in SE Asian cooking. Sometimes called 'mini-pumpkins' in the flower-trade. Germinates readily in 2 - 3 weeks warm.
—Solanum sisymbriifolium. (100) SOLN-78. Packet: $2.50
Gram: $7.50

Showy annual with white or pale blue 1 1/2" flowers followed by 3/4 - 1" bright red berries. Handsome pinnately-lobed leaves. Tropical America. "Splendid for flowering in pots... extraordinarily free flowering..."—Booth. Medicinal in Paraguay, and the berries are edible. Germinates in 2 - 16 weeks.
—Solanum uporo 'Black Stem'. (50) SOLN-89B. Packet: $2.50
Gram: $7.50
'CANNIBAL'S TOMATO', 'PORO PORO'. White flowers followed by red, tomato-like fruits. Shrub to 5 feet, with spiny black stems. Tahiti and Fiji. The fruits are eaten, and allegedly made the best sauce for cannibal cookery. Leaves eaten as a potherb, but mildly toxic. Germinates in 1 - 2 weeks or so. Photo of green stem form: http://www.flickr.com/photos/stephenbuchan/3956242956/

SOPHORA (so-FOR-a or SOF-or-a)
LEGUMINOSAE. Wide-ranging and showy ornamental mostly woody plants with clustered pea-like flowers and handsome pinnate foliage. Best in well-drained soil, and most stand drought well.
—Sophora secundiflora. (10) SOPH-6. Packet: $3.00
1/4 lb: $16.00 (about 140 seed), lb: $40.00
'MESCAL BEAN', 'TEXAS MOUNTAIN LAUREL', 'FRIJOLITO'. Beautiful fragrant violet-blue inch-long flowers in dense 3" clusters covering the plant in spring. Handsome evergreen shrub to 4 - 6 feet, rarely a tree to 40 feet, with shining dark green pinnate foliage. Silvery grey 1 - 8" pods with bright red seeds. Texas to New Mexico. Can stand a good freeze—Zone 8. Well-drained soil. The poisonous seeds are used as beads and ceremonially by Plains Indians, and are powdered for insecticide. Nick seed to germinate in 1 - 4 weeks or so.

SPHAERALCEA (sfeer-AL-see-a)
MALVACEAE. Ornamental shrubs and herbs of arid regions of the Americas. Grown for their often showy flowers. Good outdoors in warm regions. Some are fairly hardy and others good in the greenhouse. Nicking the seed may help germination.
—Sphaeralcea ambigua. (500) SPHA-4. Packet: $2.50
1/4 Oz: $7.50, Oz: $14.00
'DESERT GLOBEMALLOW'. Bright orange-red 1 - 2 1/2" flowers in clusters, with conspicuous yellow stamens. March to June. Perennial to 3 feet, with greyish three-lobed 1 - 2 1/2" leaves. Utah to southern California. Spectacular and drought resistant, hardy to at least Zone 4. Nick seed or give hot water treatment to germinate in 2 - 3 weeks warm.

NEW—coccinea. (200) SPHA-8. Packet: $2.50
'SCARLET GLOBEMALLOW'. Scarlet 1 1/2" mallow-like flowers in short racemes. Hardy perennial to 2 feet, with greyish, divided leaves. Manitoba to Arizona. Zone 4. Nick seed or give hot water treatment to germinate in 1 - 2 weeks warm.

"So the universe would be a very great book, and we would be very small readers."
—U. K. LeGuin.

STACHYS (STA-keez)

LABIATAE. Widespread perennials and annuals adapted to varied conditions, from dry to wet. Tubular, often hooded flowers in whorls, and often aromatic foliage. Some are medicinal.
—Stachys byzantina. (=S. lanata) (50) STAC-7. Packet: $2.00
10 grams: $7.50
'LAMB'S EARS'. Deep pink flowers and densely white woolly, soft, silvery foliage. Hardy perennial to 2 feet. Persia. Zone 4. Valuable bedding plant, doing well in poor soil. Formerly classed as S. olympica. Germinates in 1 - 4 weeks at warm temperatures.
—Stachys officinalis. (=Betonica) (100) STAC-14. Packet: $2.50
'WOOD BETONY'. Very rich purple 1/2" flowers in dense whorls and spikes. Hardy perennial to 3 feet, with 3 - 6" leaves. Europe, Middle East. Zone 4. Good ornamental, formerly much cultivated for medicinal use. Highly regarded for many ailments, and believed effective against 'devils and despair'. The tea is a fine beverage and was formerly valued against persistent headaches. "Sell your coat and buy Betony."—Old Italian proverb. Germinates in 2 - 4 weeks.


STEPHANOTIS (ste-fa-NO-tis)
ASCLEPIADACEAE. Tropical climbers and shrubs grown for their beautiful flowers. Popular in the greenhouse and outdoors in the South. Feed while growing. Germinates in 2 - 13 weeks, warm.
—Stephanotis floribunda. (10) STEP-9. Packet: $3.00
10 grams: $9.00, 25 gm: $18.00
'MADAGASCAR JASMINE'. Very sweetly scented 1 - 2" waxy white trumpet shaped flowers in long-lasting clusters from April to October. Twining evergreen climber to 10 - 15 feet, with glossy dark green leaves. Madagascar. Zone 10. A popular greenhouse plant. The flowers are traditionally used in wedding bouquets. Germinates in 2 - 8 weeks, some up to 16.

STETSONIA (stet-son-EE-a)
CACTACEAE. A single species.
—Stetsonia coryne. (25) STET-4. Packet: $2.50
Flower photo:
http://www.photomazza.com/?Stetsonia-coryne
Whole cactus:
https://en.wikipedia.org/wiki/File:Stetsonia_coryne_-_Desert_Botanical_Garden.jpg (copyright free image by Dave Pape)
http://davesgarden.com/guides/pf/go/64119/
http://cactiguide.com/cactus/?genus=Stetsonia
Big ones in a dry forest in Paraguay:
http://www.flickr.com/photos/karinadiarte/4819634084/
'TOOTHPICK CACTUS'. Large tree cactus to 30 feet, with a broad crown of thick branches with 6" spines. White-tipped pinkish flowers at night. N.W. Argentina. Zone 8. The 2" fruits are eaten. Germinates in 2 - 4 weeks, and GA-3 often helps.

STIPA (STEE-pa or STY-pa)
GRAMINEAE. 'FEATHER GRASS'. Attractive perennial grasses native of plains, savannas and steppes throughout the world. Grown for ornament, forage, and restoration, they include some of our finest native bunchgrasses, and are assets in any garden. Many kinds are best grown from aged seed, germination increasing after a year in storage. Two weeks cold may help germination of fresh seed. Most sprout in 5 - 30 days. Seed and plants long lived. Sow in spring or early fall. Smoke treatment may help germination.
—Stipa spartea. (20) STIP-28. Packet: $2.50
'PORCUPINE GRASS'. Graceful nodding 8" panicles with dark seeds with long awns. Hardy perennial bunchgrass to 3 - 4 feet. North central U.S. Zone 3. Prechill, then plant singly, point down.
Time-lapse video of the awns twisting! http://www.youtube.com/watch?v=8fF5adE4Q30

STROPHOSTYLES (stro-fo-STEE-leez)
LEGUMINOSAE. Attractive twiners and trailers. Related to Phaseolus and Vigna.
—Strophostyles umbellata. (25) STRS-24. Packet: $2.50
'PINK WILD BEAN'. Pink 3/4" flowers fading to tan or orange, followed by 2" pods. Hardy perennial vine, blooming heavily in late August and September. E. U.S. Zone 6. Fairly drought-tolerant. Lightly nick seed to germinate in 1 - 2 weeks.

SUTHERLANDIA (su-ther-LAN-dee-a)
LEGUMINOSAE. Showy and easy South African shrubs.
—Sutherlandia frutescens. (10) SUTH-9. Packet: $3.00
'DUCK PLANT', 'BALLOON PEA', 'CANCER BUSH'. Showy scarlet inch-long flowers in nodding clusters in June, followed by silvery inflated 2" pods. Nice upright shrub to 3 feet, with downy shoots and feathery foliage. South Africa. Zone 9. Children float the pods on water to resemble ducks. Start early indoors for bloom the first year. Used medicinally for a wide variety of ailments, including HIV and cancer. Scratch seed to germinate in 1 - 2 weeks.
Sutherlandia frutescens cultivation in Kenya and use against AIDS and as an adaptogen.

SYMPHYOTRICHUM: See Aster novae-angliae


SYNANDROSPADIX (si-nan-dro-SPA-dix)

ARACEAE. A single species.
—Synandrospadix vermitoxicus. (5) SYND-4. Packet: $10.00
Click for photo » Synadrospadix vermitoxicus Gatard.JPG (30164 bytes)
Photo and cultural info.
Good Photo.
Many Photos.

Large attractive spathes are green streaked white on the outside and purple streaked white on the inside, to 3 - 4" long. Large blue-green ovate leaves up to 12" long and 10" wide, with white veins. North Argentina and Bolivia. Full sun, water when leaves appear, and rest dry during dormancy. Tuber forms deep in the soil. For best germination, soak seed 24 hours in tepid water, then carefully remove the spongy skin. Keep warm (80°F) until germination. The tubers were used as a pesticide.

SYRINGA (si-RIN-ja)
OLEACEAE. Showy deciduous Eurasian flowering shrubs and small trees.
—Syringa Josikaea. (100) SYRI-12. Packet: $2.50
'HUNGARIAN LILAC'. Fragrant deep blue-violet flowers in 4 - 6" clusters in summer. Hardy shrub to 12 feet, with glossy dark green 5" leaves. Mountains of eastern Europe. Zone 4 or 5.
—Syringa Wolfii. (50) SYRI-36. Packet: $2.50
Fragrant pale mauve 1/2" flowers in dense, foot-long panicles in summer. Hardy shrub to 15 - 20 feet, with bright green 6" leaves. Manchuria and Korea. Zone 4. Germinates in 3 - 5 weeks warm.


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