Silverhill Seeds -- South African Seed Specialists

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Here's a list of all the most recent additions to our seeds catalog.
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Seeds of all species are sold in small packets. Many of the seeds are available in larger quantities - please ask for prices if they are not indicated next to the descriptions. If you require sowing instructions, please request them with your order. All species marked "Sow Au" are from the winter rainfall area of South Africa & should be sown in autumn, and all species marked "Sow Sp" are from the summer rainfall areas & should be sown in spring.
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Key to Abbreviations                   
Category Family
Genus
Species
Description Per pkt Per 100 Per gram Per seed/ each
Annuals Scrophulariaceae
Pseudoselago
subglabra 
Ann to 80cm with narrow lvs, compact clusters of tubular white / mauve fl with orange patch in throat Sp. Sow Au. Zone 8.
US$ 3.00 Buy      
Annuals Asteraceae
Ursinia
nana ssp nana 
Ann to 40cm, very divided lvs, fl with yellow rays often reddish below, disc yellow, Su. Sow Sp. Zone 8.
US$ 3.00 Buy      
Bulbous plants Iridaceae
Gladiolus
priorii 
30-80cm, bright red fl with yellowish throat Au-Wi, coastal. Sow Au.
US$ 3.00 Buy      
Bulbous plants Iridaceae
Moraea
aristata 
20-35cm, large white fl with blue nectar guides Sp, lovely pot plant. Sow Au.
US$ 3.00 Buy      
Bulbous plants Asphodelaceae
Trachyandra
smalliana 
To 50cm, fine lvs, delicate white fl in compact spikes (similar to a Bulbinella), very pretty. Sow Sp. Zone 7.
US$ 3.00 Buy      
Climbers Cucurbitaceae
Ctenolepis
cerasiformis 
Climber, broadly heart-shaped lvs deeply divided into 3-5 lobes, yellow fl, red fruits. Sow Sp. Zone 10.
US$ 3.00 Buy      
Climbers Rhamnaceae
Helinus
integrifolius 
Forest creeper, large oval leaves, starry orange & green fl Su, forest edges, med. Sow Sp. Zone 9.
US$ 3.00 Buy      
Climbers Convolvulaceae
Ipomoea
obscura var gracilis 
Slender twiner, broad heart-shaped lvs, pale yellow /white fl may have deep red centre Sp-Au, edible & med. Sow Sp. Zone 10.
US$ 3.00 Buy      
Climbers Convolvulaceae
Ipomoea
sp 
Digitate lvs, very distinctive bright orange slightly furry seeds, fl not seen, from Mozambique. Sow Sp. Zone 10.
US$ 3.00 Buy      
Climbers Convolvulaceae
Ipomoea
sp 
Creeper, heart-shaped lvs, small pink fl Su-Au. Sow Sp. Zone 8.
US$ 3.00 Buy      
Climbers Convolvulaceae
Ipomoea
tuberculata 
Climber, slender stems to 2m, heart-shaped lvs, mauve fl, very hairy seeds. Sow Sp. Zone 10.
US$ 3.00 Buy      
Climbers Convolvulaceae
Merremia
bipinnatipartita 
Creeping perenn forming large mats, 3cm yellow to orange fl with dark red centres & purplish mid petaline zones. Sow Sp. Zone 9.
US$ 3.00 Buy      
Climbers Fabaceae
Rhynchosia
hirta 
Tri-foliate shrub/creeper, dull white-green fl in racemes, very decorative blue seeds. Sow Sp. Zone 10.
US$ 3.00 Buy      
Climbers Malpighiaceae
Sphedamnocarpus
pruriens ssp galphimiifolius 
Woody climber/creeper, rounded to heart-shaped lvs, 2cm bright yellow fl, winged hairy fruits. Sow Sp. Zone 9.
US$ 3.00 Buy      
Climbers Periplocaceae
Stomatostemma
monteiroae 
Climber to 10m, orange brown stems, narrow ovate lvs, clusters of creamy white bell-like fl with maroon/brownish purple speckled centre Sp-Su, woody fruits. Sow Sp. Zone 10.
US$ 3.00 Buy      
Climbers Asteraceae
Vernonia
aurantiaca 
Scandent shrub / climber to 8m, whitish branches, lanceolate lvs white below, big heads of showy orange sweetly scented fl Au. Sow Sp. Zone 9.
US$ 3.00 Buy      
Climbers Fabaceae
Vigna
frutescens ? 
Trailing legume with ann stems produced from woody root-stock, pale mauve fl Sp, first plant to flower on burnt grassland. Sow Sp. Zone 9.
US$ 3.00 Buy      
Ericaceae Ericaceae
Erica
abietina ssp atrorosea (= E. phylicifolia) 
0.9m, bright red slightly sticky tubular fl all yr, attractive. Sow Au. Zone 8.
US$ 3.00 Buy      
Perennials Scrophulariaceae
Aptosimum
lineare 
20cm low shrublet, narrow lvs, intense very beautiful blue fl. Sow Sp. Zone 9.
US$ 3.00 Buy      
Perennials Asparagaceae
Asparagus
densiflorus "Gwebe" 
30-60cm erect/decumbent, attractive evergr groundcover with gracefully arching stems & beautiful foliage, tiny sweet-scented fl Au, red berries Wi, shade loving, good for cut foliage & hanging basket. Sow Sp. Zone 9.
US$ 3.00 Buy      
Perennials Asparagaceae
Asparagus
densiflorus "Meyersii" 
To 0.6m, compact erect growth, pot. Sow Sp. Zone 8.
US$ 3.00 Buy      
Perennials Asteraceae
Dicoma
anomala 
"Doll's protea", 20cm perenn herb, prickly attractive little fl Au, stony grassland. Sow Sp. Zone 7.
US$ 3.00 Buy      
Perennials Scrophulariaceae
Harveya
speciosa 
"Ink flower", to 0.7m, parasitic on grass, scale-like lvs, large white to cream fl with pale yellow throat Su, high altitude plant. Sow Sp. Zone 6.
US$ 3.00 Buy      
Perennials Asteraceae
Helichrysum
argyrophyllum 
"Everlasting", 40cm perenn groundcover, grey leaves, yellow fl. Sow Sp. Zone 9.
US$ 3.00 Buy      
Perennials Asteraceae
Helichrysum
pedunculatum 
Perenn to 50cm, lvs felted below, brownish discoid fl heads Su. Sow Sp / Au. Zone 8.
US$ 3.00 Buy      
Perennials Lamiaceae
Hemizygia
canescens 
1m aromatic shrub, pink/mauve fl Su-Au, very attractive. Sow Sp.
US$ 3.00 Buy      
Perennials Sterculiaceae
Hermannia
sp 
20cm perenn, pale pink downward facing fl with darker centre Su. Sow Sp. Zone 9.
US$ 3.00 Buy      
Perennials Malvaceae
Hibiscus
engleri 
1m perenn, lobed leaves with highly irritant hairs, striking yellow fl with maroon centres Su-Au. Sow Sp. Zone 10.
US$ 3.00 Buy      
Perennials Fabaceae
Indigofera
mauritanica 
Erect hairy shrublet to 50cm, lvs pinnate 5-foliate, grey & hairy underneath, racemes of lovely pink to mauve fl Sp-Su. Sow Au. Zone 8.
US$ 3.00 Buy      
Perennials Rubiaceae
Kohautia
caespitosa ssp brachyloba 
Ann/perenn to 80cm, linear lvs in tufts, small long-tubed fl scented at night, corolla lobes white to yellow above & darker below. Sow Sp. Zone 8.
US$ 3.00 Buy      
Perennials Lamiaceae
Leonotis
nepetifolia var nepetifolia 
Ann or short-lived perenn to 3m, lvs broadly ovate, orange fl in whorls Su-Au. Sow Sp. Zone 8.
US$ 3.00 Buy      
Perennials Lamiaceae
Leonotis
ocymifolia var ocymifolia 
Robust branching shrub to 2m, velvety toothed leaves, dull orange fl in compact clusters, med and good bee & bird plant. Sow Sp. Zone 8.
US$ 3.00 Buy      
Perennials Alismataceae
Limnophyton
obtusifolium 
Perenn aquatic herb, erect elongated heart-shaped lvs, separate male & female fl (on the same plant), clusters of ridged seeds Au, plants go dormant in the dry season. Sow Sp. Zone 9.
US$ 3.00 Buy      
Perennials Pedaliaceae
Rogeria
adenophylla 
To 1.5m perenn, brilliant pink foxglove-like fl followed by decorative horny seed capsule suitable for dry arrangements. Sow Sp. Zone 9.
US$ 3.00 Buy      
Perennials Lamiaceae
Salvia
schlechteri 
Branched perenn to 30cm, narrow very divided lvs, pale blue & white fl Su-Au. Sow Sp. Zone 8.
US$ 3.00 Buy      
Perennials Scrophulariaceae
Sutera
halimifolia 
Gnarled shrublet to 35cm, toothed lvs, long racemes of pink/mauve fl with yellow tubes Su. Sow Sp. Zone 8.
US$ 3.00 Buy      
Perennials Scrophulariaceae
Sutera
levis 
Bushy perenn to 60cm, linear glandular lvs, much branched panicle of masses of small pink to mauve fl with yellow tubes Su-Au. Sow Sp. Zone 7.
US$ 3.00 Buy      
Perennials Cucurbitaceae
Trochomeria
debilis 
Perenn vine with tendrils, glabrous stems, divided lvs coarse to the touch, yellowish-green fl followed by 2cm red fruits Su. Sow Sp. Zone 9.
US$ 3.00 Buy      
Perennials Campanulaceae
Wahlenbergia
rivularis 
Ovate leaves, cream/pale yellow fl with mauve stripe Su-Au, streambanks. Sow Sp. Zone 7.
US$ 3.00 Buy      
Perennials Cucurbitaceae
Zehneria
marlothii 
Ann herb, slender stems, very attractive pale green leaves & tendrils, small greenish-yellow/whitish fl Su-Au, reddish fruit. Sow Sp. Zone 9.
US$ 3.00 Buy      
Proteaceae Proteaceae
Leucadendron
argenteum 
"Silver tree", 10m, large silver leaves, fl Sp, large cones, unpredictable in cultivation. Sow Au. Zone 9.
US$ 3.00 Buy      
Proteaceae Proteaceae
Leucadendron
gandogeri 
1.6m, elliptic smooth, shiny leaves, in Sp large top leaves turn bright yellow, flushed with orange and red. Sow Au.
US$ 3.00 Buy      
Proteaceae Proteaceae
Leucadendron
sheilae 
Small shrub to 1m, narrowly lanceolate grass-green lvs, greenish fl Sp, round brown cones. Sow Au. Zone 8.
US$ 3.00 Buy      
Proteaceae Proteaceae
Leucospermum
bolusii 
1m rounded shrub, many creamy white scented fl Sp, coastal, very attractive, good garden plant. Sow Au. Zone 9.
US$ 3.00 Buy US$ 6.00 Buy    
Proteaceae Proteaceae
Protea
cynaroides - red 
"King Protea", 0.3-2m, distinctive leaves, huge fl heads with red bracts Su. Sow Au.
US$ 3.00 Buy      
Proteaceae Proteaceae
Protea
scolymocephala 
1m shrub, linear pointed lvs, small creamy-green fl with outwardly splayed creamy/pinkish bracts Wi-Sp, sand, coastal, easy, very attractive. Sow Au.
US$ 3.00 Buy US$ 6.00 Buy    
Proteaceae Proteaceae
Serruria
glomerata 
0.6m shrub, long dissected leaves, creamy hairy densely clustered fl Sp. Sow Au. Zone 8.
US$ 3.00 Buy      
Proteaceae Proteaceae
Spatalla
sp 
Compact bushy shrub to 80cm, many small pink fl, very floriferous. Sow Au. Zone 8.
US$ 3.00 Buy      
Restionaceae & Grasses Cyperaceae
Ficinia
radiata 
5-25cm tufted perenn, spikelets yellow, fl in heads with yellow radiate bracts Sp. Sow Au. Zone 8.
US$ 3.00 Buy      
Restionaceae & Grasses Poaceae
Heteropogon
contortus 
"Spear grass", clump forming, folded lvs to 1m, inflorescence a single raceme with long brown velvety awns, palatable to stock when young. Sow Au/Sp. Zone 8.
US$ 3.00 Buy      


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