List by Plants' Species A - Z

Ratibida columnifera (Upright Prairie Coneflower)

100 (140)cm, Upright Prairie Coneflower, Long-headed Coneflower, or Mexican Hat makes unusual flowers with golden petals surrounding an elongated, pale brownish central disk. This perennial is native from south-western Canada to N Mexico, east to Minnesota and Texas (USA). For any rich, well drained soil in full sun. VI-VIII.

Ratibida pinnata (Pinnate Prairie Coneflower)

80 (120)cm, Pinnate Prairie Coneflower or Yellow Coneflower makes bright yellow, recurving petals surrounding a dark to pale brown center. This perennial is native of open spots in woods and prairies from Ontario and New York to Minnesota, N Nebraska, south to Georgia and Texas (USA). For any rich, well drained soil in full sun. VII-IX.

Ravenala madagascariensis (Travelers' Tree)

3 (12)m, Travelers' Tree descends from Madagascar and has most ornamental, huge fan shaped leaves. For any humus rich, well drained soil. Keep at a minimum of some 15 with reduced watering.

Regelia megacephala (Purple Flowered Regelia)

Regelia velutina (Gondwana Christmas Tree)

Rehmannia elata (Chinese Foxglove)

30 (50)cm, Chinese Foxglove is an annual to biannual with most decorative, quite large, bright pink funnel shaped flowers in a lax raceme above nicely contrasting dark green leaves in a dense basal rosette. From mountain meadows in China. For partially shaded spots in any humus rich, well drained soil, preferably in a sheltered spot, if planted out to the garden in autumn. VI-VIII.

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seed package 2396	€ 3,99

Reichardia ligulata

20 (40)cm, a perennial with short woody stems crowned by a dense rosette of bluish-green, strongly serrated leaves and an upright to slightly nodding inflorescence with bright yellow flowers. Native of rocky cliffs in the vicinity of the sea on the Canary islands. Easily grown in containers in any rich, well drained soil in full sun throughout the year. Keep plants drier in winter in full sun and at a minimum of some 10°C. X-I.

Remusatia hookeriana (Hooker's Hitchhiker Elephant Ear)

20 (30)cm, (Hooker's Hitchhiker Elephant Ear is native of humus rich soils in mountain forests from North-East India to Sikkim. It makes ornamental oval leaves and short stalked bright yellow, narrow spatha embedding a whitish spadix inside. It mainly reproduces via leafless stolons which are covered with many tiny tubercles. For any rich, well drained soil in partially shaded (summer) to sunny (winter) spot. Keep dormant tubers drier in winter at a minimum of some 10°C. VI-VIII.

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package (10 bulbils)8316	€ 4,79

Remusatia pumila (Dwarf Hitchhiker Elephant Ear)

20 (30)cm, Dwarf Hitchhiker Elephant Ear is native from China through India where it occurs in humus rich soils and sometimes as an epiphyte on shrubs and trees. It makes clumps with oval leaves with nice slivery veins and a very long and narrow, pale greenish-yellow hiding a short pale reddish spadix inside. Besides it produces leafless stolons covered with many small tubercles which serve for reproduction. For any rich, well drained soil in partially shaded (summer) to sunny (winter) spot. Keep drier in winter at a minimum of some 10°C. VI-VIII.

Additional fotos from this species are available from the International Aroid Society website: Remusatia pumila.

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package (10 bulbils)3426	€ 4,99

Remusatia vivipara (Hitchhiker Elephant Ear)

50 (80)cm, Hitchhiker Elephant Ear is native of the Himalayas, where it grows in humus rich soils and as an epiphyte on shrubs and trees. It makes nice clumps with ornamental, very large, oval, glossy leaves, and decorative, fragrant pale yellow spathes. It usually multiplies by leafless stolons covered with many small tubercles which serve for reproduction. For any rich, well drained soil in partially shaded (summer) to sunny (winter) spot. Keep drier in winter at a minimum of some 10°C. VI-VIII.

Additional fotos from this species are available from the International Aroid Society website: Remusatia vivipara.

Retama raetam

2 (4)m, large decorative shrub with elegant pendulous, leafless (!) green branches from a gray barked stem and sweet-scented white to creamy white flowers. For a rocky, well drained soil. Very easy. VI-VIII.

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seed package 1159	€ 3,99
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Rhamnus alaternus (Evergreen Buckthorn)

200 (400)cm, Evergreen Buckthorn is a fully winter hardy, ornamental, evergreen woody shrub with elongated oval, leathery, dark green, serrated leaves and axillary and terminal clusters of brownish-red fruits maturing black in early summer. From open rocky spots in the Mediterranean. Nice foliage pot plant for any rich, well drained soil or planted in a protected spot in the garden in Central Europe. II-III.

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seed package7159	€ 5,99
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Rhamnus glandulosa

150 (250)cm, tall, ornamental, woody shrub with evergreen, elongated oval, glossy, leathery, dark green leaves and axillary clusters of glossy black fruits in late summer. Nice foliage pot plant for any rich, well drained soil. Native of open spots in the upper termofilic zone of the Canaries and Madeira. Keep frostfree at a minimum of some 10°C and very sunny in winter.

Rhodanthe chlorocephala ssp. rosea (Pink Australian Everlasting)

Rhodanthe chlorocephala ssp. rosea (White Australian Everlasting)

Rhodophiala ananuca

Rhodophiala andicola (Añañuca de los Volcanes)

40cm, Añañuca de los Volcanes is a small herbaceous bulbous plant with utmost ornamental, rich pink flower trumpets above amaryllis like leaves. Native of dryish rocky spots in open spots in montane regions in Chile. Fully winter hardy in any rich, well drained soil in a protected spot in the garden with some additional shelter from winter wetness (e.g. a dry mulch layer). Seeds from a wild collection in IX Region, Llaima at some 1500m. VI-VII.

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seed package 5038	€ 4,99*		1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
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Rhodophiala bagnoldii

Rhodophiala bifida var. spathacea

20 (25)cm, a herbaceous bulbous plant from Uruguay and Argentina with most ornamental, rich magenta-rose flower trumpets. For any rich, very well drained, rocky soil in a sunny spot throughout the year. Preferably grow in pots, in winter keep dormant bulbs completely dry and frostfree at some 5°C. VI-VII.

Rhodophiala montana

20 (30)cm, herbaceous Chilean perennial with several pure yellow trumpet shaped flowers before the narrow leaves emerge. For any rich, very well drained, rocky soil in a sunny spot. Protect from winter wetness and give some extra winter protection (e.g. thick dry mulch layer). Alternatively grow in pots, in winter keep dormant bulbs completely dry and frostfree at some 5°C. VI-VII.

Rhodophiala phycelloides (Revienta Ojos)

30cm, Reviento Ojos is a small herbaceous bulbous plant with utmost ornamental, bright scarlet flower trumpets above amaryllis like leaves. Native of dryish soils in open spots in shrubs in Chile. For any rich, well drained soil in a sunny spot throughout the year. In winter keep drier at a minimum of some 10°C. Seeds from a wild collection in III Region, Carrizal Bajo - Totoralillo at some 150m. VI-VII.

Rhodophiala rhodolirion (Añañuca Amaryllis)

20 (30)cm, Añañuca Amaryllis is a herbaceous central to SC Chilean (Talca and Santiago) perennial with showy, quite large, intense rose or white flowers with lilac streaks before the narrow leaves emerge. For any rich, very well drained, rocky soil in a sunny spot. Protect from winter wetness and give some extra winter protection (e.g. thick dry mulch layer). Alternatively grow in pots, in winter keep dormant bulbs completely dry and frostfree at some 5°C. VI-VII.

Rhodophiala splendens

20 (30)cm, herbaceous Chilean perennial from the central Andes. It makes most ornamental, very large, bright scarlet flowers before or with the narrow leaves. For any rich, very well drained, rocky soil in a sunny spot. Protect from winter wetness and give some extra winter protection (e.g. thick dry mulch layer). Alternatively grow in pots, in winter keep dormant bulbs completely dry and frostfree at some 5°C. VI-VII.

Rhodotypos scandens (Jetberry Bush)

150 (200)cm, Jetberry Bush is a deciduous East Asian shrub with ornamental, serrated leaves, quite large, pure white flowers in late spring and decorative glossy black seeds from late summer through early winter. Easily grown in any rich, well drained soil in a sunny to partially shaded spot. Note: All parts are highly toxic if eaten. VI-VII.

Rhoicissus digitata (Baboon Grape)

3 (10)m, Baboon Grape is a climbing woody shrub with broad, finger-like leaflets on branches which are densely covered with brownish red hairs. Small, yellowish green flowers and bluish-purple berries. Native of open spots throughout S Africa (Western Cape, Eastern Cape, KwaZulu-Natal, Mpumalanga, Swaziland, and Mozambique). For any humus rich, well drained soil in full sun throughout the year. In winter keep plants cooler at a minimum of some 10°C with reduced watering.

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seed package 3845	€ 3,99

Rhoicissus rhombifolia (Glossy Forest Grape)

3 (15)m, Glossy Forest Grape is a fast growing woody climber with threefoliated, leathery, dark green, glossy leaves on branches densely covered with long brownish red hairs. Small, yellowish green flowers and dark red to purplish berries (not edible). Native of open spots in woodlands in the Eastern Cape, KwaZulu-Natal, Mpumalanga, Limpopo, Swaziland, Mozambique, and Zimbabwe). For any humus rich, well drained soil in full sun throughout the year. In winter keep plants cooler at a minimum of some 10°C with reduced watering. IX-XII.

Rhoicissus tridentata (Bobbejaantou)

1 (5)m, Bobbejaantou grows as a medium sized woody shrub with three-foliated, dark green, shiny leaves and small black berries. Native of coastal dunes and forest margins throughout S to north-eastern Africa. For any humus rich, well drained soil in full sun throughout the year. In winter keep plants cooler at a minimum of some 10°C with reduced watering. VIII-IX.

Rhus coriaria (Sumac)

120 (180cm), Sumac is a deciduous woody shrub from the Mediterranean, the Canary islands and Asia Minor and has large feathered leaves and terminal spikes of white flowers followed by brownish-red (Cyprus populations) or greenish-yellow (Canary populations) fruits which have a very acidulous taste. Pure Sumac spice is only made of the dried skin from the fruits, whereas the commonly available Sumac is of minor quality as it contains the ground seeds which have a bitter taste. Sumac It is used in numerous Arabic dishes. For any rich, well drained soil in a sunny spot throughout the year. In winter keep plants slightly drier at a minimum of some 5°C. VI-VII.

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seed package (ex Cyprus)6659	€ 3,99		1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
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seed package (ex La Palma, Spain)8712	€ 2,99		1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
(ex La Palma, Spain)

Ricinus communis (Palma Christi)

2 (4)m, Palma Christi or Castor Oil Plant is a very fast growing tropical woody, African perennial, which is usually grown as an annual in colder regions for its very large, ornamental foliage. For any rich, well drained soil in full sun. Preferably sow large seeds under frostfree conditions in mid spring and transplant seedlings to the final spot in the garden after the last freezing nights by the end of spring to early summer. Note: All parts are poisonous. Not recommended for subtropical to tropical arid areas, where this species may become invasive. VII-IX.

Rivina humilis (Bloodberry)

70 (130)cm, Bloodberry is a medium sized species from Southern USA to South America. It makes annual stalks with mid green leaves and pendulous inflorescences followed by decorative bright red berries in summer. For any rich, well drained soil in partial shade. The rootstock of this sightly more tender species requires some good winter protection in colder regions (i.e. a dry mulch layer). VI-VIII.

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seed package8578	€ 2,79
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Robertia taraxacoides

20 seeds per package.

Rodgersia aesculifolia (Horse-Chestnut Leafed Rodger's Flower)

130cm, Horse-Chestnut Leafed Rodger's Flower has most ornamental, largely divided leaves from a basal rhizome and a tall and lax raceme with numerous small white flowers in spring. Native of open spots in woods in East Asia. For any humus rich, slightly moist soil in partial shade. V.

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seed package 4780	€ 3,99*		1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
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Rodgersia podophylla (Bronze Leaf Rodger's Flower)

120cm, Bronze Leaf Rodger's Flower has most showy, largely divided leaves from a basal rhizome and a tall and lax raceme with numerous small white flowers in spring. Native of open spots in woods in East Asia. For any humus rich, slightly moist soil in partial shade. V.

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seed package 4782	€ 3,99*		1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
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Rodgersia sambucifolia (Elderberry Leafed Rodger's Flower)

100cm, Horse-Chestnut Leafed Rodger's Flower has decorative, very broad divided leaves from a basal rhizome and a tall and lax raceme with numerous small white flowers in spring. Native of open spots in woods in East Asia. For any humus rich, slightly moist soil in partial shade. V.

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seed package 4783	€ 3,99*		1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
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Rodgersia tabularis

Roemeria hybrida (Violet Horned Poppy)

15cm, Violet Horned Poppy is an annual with rich lilac flowers above strongly dissected leaves. Native of rocky or sandy sites throughout the Mediterranean, Asia Minor and western Asia. For any rich, very well drained soil in a sunny spot. Excellent in a protected spot in the rock garden. Sow directly to the ground after the last freezing nights in spring. V-VI.

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seed package 4082	€ 4,99

Rogeria longiflora

70 (100)cm, annual to biannual species with showy dark purplish maroon tubular flowers. For any rich, very well drained, preferably rocky soil in a sunny spot. Best grown as an annual, pre-cultivate in early spring at a minimum of some 20°C in full sun. VII-VIII.

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seed package 6014	€ 4,99

Rollinia deliciosa (Brazilian Custard Apple)

3 (7)m, Brazilian Custard Apple (syn. Rollinia muscosa) is an evergreen small tree from southern South America with large foliage and small yellowish-white flowers followed by ornamental, soft-skinned, spiky yellow fruits with an utmost delicious, very sweet white fruit pulp. For any rich, well drained substrate in a sunny spot throughout the year. In winter months keep plants slightly drier at a minimum of some 15°C. Seeds are rarely available. V-VII.

Romneya coulteri (Matilija Poppy)

100 (150)cm, Matilija Poppy is an utmost beautiful, slightly woody perennial with large, pure white flowers above bluish-green, dissected foliage. Native of rocky spots in Western USA. For any rich, well drained soil in a protected spot in full sun. Excellent in the rock garden. VI-VII

Romulea albiflora

12 (20)cm, makes very long grass like leaves and pure white flowers. Native of clay rocky soils in Middelpos. For any rich, well drained soil in a sunny spot. Requires a good winter protection (i.e. dry mulch layer). Best grown in pots under frostfree conditions in a cool greenhouse or wintergarden with reduced watering and a winter minimum of some 5°C. VII-VIII.

Romulea aquatica

20 (60)cm, a tall species with upright leaves and white flower cups with a yellow throat. Native of seasonal wet areas from Pools to Hopefield. For any rich, well drained soil in a sunny spot. Requires a good winter protection (i.e. dry mulch layer). Best grown in pots under frostfree conditions in a cool greenhouse or wintergarden with reduced watering and a winter minimum of some 5°C. VII-VIII.

Romulea atrandra var. atrandra

10 (40)cm, makes unusually large, intense magenta to dark pink flowers with dark veins and blotches around the yellow cup. Native of from the Northern Cape (Hantamsberg at Calvinia) to the West (Roggeveld Escarpment and Cold Bokkeveld) to the Eastern Cape Province (Hogsback).

Romulea barkerae

4 (7)cm, has a single basal leaf and a branching flowering stem topped by white flowers with a large black blotch edged in yellow inside. Native of coastal areas from Paternoster to Saldanha Bay. V-VI.

Romulea bulbocodium var. bulbocodium

Romulea bulbocodium var. clusiana

Romulea bulbocodium var. crocea

Romulea bulbocodium var. zahnii

Romulea citrina

15 (30)cm, bright lemon yellow flower cups in late spring. For a well drained spot in full sun. Give some good winter protection (thick mulch layer), better for cultivation in a cool and frostfree wintergarden to enjoy its flowers. IV-V.

Romulea cruciata

20cm, magenta to pink flowers with a yellow and black center.

Romulea cruciata var. intermedia

12cm, makes very narrow, grass like leaves and ornamental magenta to pink flowers which have violet blotches.

Romulea discifera

10 (20)cm, has bright yellow flowers with a darker yellow cup, born on reddish branches. The inner bracts show a dark meridian line. Flower sometimes have a dark throat. From the Bokkeveld Plateau in Northern Cape Province (N of Nieuwoudville).

Romulea diversiformis

8 (15)cm, a taller species with pale yellow flower cups. Best grown in a rich, well drained, preferably rocky soil in pots under frostfree conditions in a cool greenhouse or wintergarden or outside in a protected, sunny spot with some extra winter protection (e.g. a thick dry mulch layer). IV.

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seed package 3821	€ 4,99

Romulea eximia

12 (20)cm, makes rich pink flowers with a maroon ring and a yellow throat. For any well drained soil in full sun. Give some good winter protection (mulch layer), better in pots under frostfree conditions. VII-VIII.

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seed package 1650	€ 4,99		1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
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Romulea flava

5 (15)cm, flowers usually yellow, rarely light blue or pure white, greatly varying in size. Native of sandy or clay soils in areas of Fynbos.

Romulea gigantea

10cm (30cm), despite its name it is not that tallest species in the genus. Makes multicolored flowers in white, lilac, and blue with a greenish yellow cup. Native of S Cape coast (Kleinmond to Port Alfred) growing in marshy or seasonally wet places. For any humus rich, yet well drained soil in a sunny spot.

Romulea grandiscapa

20 (50)cm, endemic Romulea from the Canary Islands, large leaves, crowned by rose blue trumpet like flowers, showing dark violet stripes on petals. Native in open grass fields in the upper succulent shrub in rather inorganic soil. Easy to cultivate, provided good frost and moisture protection it may be cultivated in the open garden. Ideal under cold glass. Very decorative and rarely seen Romulea. I-IV.

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seed package 1160	€ 3,99*		1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
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Romulea hallii

10cm, cylindrical leaves, pale blue flowers with violet blotches in each segment and an orange cup. Give good winter protection (mulch layer), preferably for a sunny spot in a cool wintergarden. V.

Romulea hirsuta var. cuprea

10cm, variety with very narrow leaves and light orange-pink flowers showing some dark blotches in the yellow throat.

Romulea hirsuta var. zeyheri

10 (40)cm, variety with usually pinkish flowers and some dark blotches in the yellowish-orange throat.

Romulea hirta

8 (20)cm, slightly ciliated leaves, pale to bright yellow flowers. Requires good winter protection (mulch layer), preferably for a sunny spot in a cool wintergarden or greenhouse. IV.

Romulea kamiesensis

10 (15)cm, makes intense magenta to purple flowers with dark veins, the dark purple throat shows white and purple stripes.

Romulea komsbergensis

12 (30)cm, elegant magenta flowers with a narrow blue band around the yellow cup. From seasonally wet clay and rocky flats or along watercourses in the Roggeveld Escarpment (near Sutherland).

Romulea leipoldtii

10 (25)cm, cream white or yellow flowers from damp areas. Give some good winter protection (thick mulch layer), better in a cool wintergarden. IV.

Romulea longipes

10 (45)cm, produces only two basal leaves and has cream to apricot flowers with small markings around the yellow cup. Native of the Eastern Cape Province, where it occurs in sandy flats close to the coast line from Port Elizabeth to East London.

Romulea luteoflora

10 (20)cm, makes showy lemon yellow flower cups with a dark brown basis of petals. Native of loamy soils from Kamiesberg and Cedarberg Mountains to Riversdale, western Karoo and Lesotho. Requires a good winter protection (i.e. dry mulch layer). Best grown in pots under frostfree conditions in a cool greenhouse or wintergarden with reduced watering and a winter minimum of some 5°C. VII-VIII.

Romulea macowanii

20 (40)cm, a species with bright golden yellow flowers, sometimes darker orange yellow in the lower half of the tepals. Native of montane grassland and stony, elevated flats from Somerset East to Drakensberg in E Lesotho. USDA Climate Zone 7.