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Romulea (African Crocus)

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South African "Crocus" with charming, for the plant size in general unusually large, and double colored flowers. They have linear, grass like foliage. Good for cultivation under cold glass or in a sheltered and rather dry spot in the rocky garden with some good winter protection (i.e. a thick dry mulch layer). If being cultivated under frostfree conditions (recommended for colder climates), several species will already gain flowering size within one year.
Sow small seeds flat in any well drained, humus rich soil at some 20°C throughout the year. A decrease in temperature at night down to some 10°C will significantly enhance the germination process. Some species may germinate within 6 weeks, others will need an entire growing cycle (i.e. 6 months) before germinating. Keep seedlings frostfree during pre-cultivation in pots for two years. In winter keep pots frostfree and drier at a minimum of some 5°C. Transplant the naturally tiny bulbs after leaves have withered in (late) summer. All species with a hardiness to USDA Zone 8 or 9 should be permanently grown as pot plants in a cool wintergarden or greenhouse with little freezing in order to promote flowering. Once established Romulea are free flowering and well increasing by small adventive bulbs.
All are USDA Climate Zone 8 unless otherwise specified.
20 seeds per package.
Articles
Romulea albiflora

Romulea albiflora

12 (20)cm, makes very long grass like leaves and pure white flowers. Romulea albiflora is native of clay rocky soils in Middelpos. For any rich, well drained substrate in a sunny spot. Best grown in pots under frostfree conditions in a cool greenhouse or wintergarden with reduced watering and a winter minimum of some 10°C. VI-VII.
20 seeds per package.

price (plus Shipping Costs)
seed package 4980 € 4,99
Romulea albomarginata

Romulea albomarginata

12 (25)cm, has white to pink or magenta flowers. Romulea albomarginata is endemic to the northwestern Cape in South Africa. For any rich, well drained substrate in a sunny spot. Best grown in pots under frostfree conditions in a cool greenhouse or wintergarden with reduced watering and a winter minimum of some 10°C. V.
20 seeds per package.

price (plus Shipping Costs)
seed package0583 € 7,99
Romulea autumnalis

Romulea autumnalis

15 (30)cm, larger Romulea with prominent veins on leaves, varying flower color from reddish-pink to white and a orange yellow throat. For a well drained soil in a sunny spot. Provide some winter protection (mulch layer), or grow as pot plant in a cool greenhouse or wintergarden to enjoy its flowers in winter. USDA Climate Zone 7. XI-I.
20 seeds per package.

price (plus Shipping Costs)
seed package 1643 € 7,99
Romulea bulbocodium var. bulbocodium

Romulea bulbocodium var. bulbocodium


20 seeds per package.

price (plus Shipping Costs)
seed package8570 € 4,99
Romulea bulbocodium var. clusiana

Romulea bulbocodium var. clusiana


20 seeds per package.

price (plus Shipping Costs)
seed package8569 € 4,99
Romulea bulbocodium var. crocea

Romulea bulbocodium var. crocea


20 seeds per package.

price (plus Shipping Costs)
seed package8568 € 4,99
Romulea citrina

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.
20 seeds per package.

price (plus Shipping Costs)
seed package 1646 € 4,99
Romulea cruciata var. intermedia

Romulea cruciata var. intermedia

12cm, makes very narrow, grass like leaves and ornamental magenta to pink flowers with a basal violet blotch. For any rich substrate in a sunny spot. During dormancy in winter keep bulbs drier at a a minimum of some 10°C. III-IV.
20 seeds per package.

price (plus Shipping Costs)
seed package 1648 € 7,99
Romulea discifera

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).
20 seeds per package.

price (plus Shipping Costs)
seed package 1649 € 4,99
Romulea diversiformis

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.
20 seeds per package.

price (plus Shipping Costs)
seed package 3821 € 5,99
Romulea eximia

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.
20 seeds per package.

price (plus Shipping Costs)
seed package 1650 € 7,99
seed package
Romulea flava

Romulea flava

10 (15)cm, makes usually lemon-yellow flowers, rarely light blue or pure white, all greatly varying in size. Romulea flava is native of sandy or clay soils in areas of Fynbos. For any rich, well drained substrate in full sun. In winter keep drier at a minimum of some 5°C. I-III.
20 seeds per package.

price (plus Shipping Costs)
seed package 1651 € 4,99
seed package
Romulea flava var. minor

Romulea flava var. minor

10 (15)cm, makes lemon-yellow flowers, rarely in other colors, which are smaller in variety minor in comparison to variety flava. For any rich, well drained substrate in full sun. In winter keep drier at a minimum of some 5°C. I-III.
20 seeds per package.

price (plus Shipping Costs)
seed package9556 € 4,99
Romulea gigantea

Romulea gigantea

10cm (30cm), despite its name it is not that tallest species in the genus. It bears pale mauve flowers with a pale yellow throat. It is native of coastal areas in the Southern Cape from Kleinmond to Port Alfred where it ocurrs in marshy or seasonally wet places. For any humus rich, yet well drained substrate in a sunny spot. In winter keep dormant bulbs drier at a minimum of some 10°C. III-IV.
20 seeds per package.

price (plus Shipping Costs)
seed package 1652 € 4,99
Romulea hirta

Romulea hirta

12 (20)cm, makes slightly ciliated leaves and pale to bright yellow flowers. Requires some execellent good winter protection (mulch layer) if grown in the open garden. Preferably cultivated under frostfree conditions in a sunny spot in a cool wintergarden or unheated greenhouse. For any rich substrate in a sunny spot. During dormancy in winter keep bulbs drier at a a minimum of some 10°C. III-IV.
20 seeds per package.

price (plus Shipping Costs)
seed package 1660 € 4,99
Romulea kamiesensis

Romulea kamiesensis

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

price (plus Shipping Costs)
seed package 1661 € 4,99
Romulea komsbergensis

Romulea komsbergensis

12 (30)cm, makes elegant and showy magenta flowers with a narrow blue band around a yellow cup. From seasonally wet clay and rocky flats or along watercourses in the Roggeveld Escarpment (near Sutherland). For any rich substrate in a sunny spot. During dormancy in winter keep bulbs drier at a a minimum of some 10°C. III-IV.
20 seeds per package.

price (plus Shipping Costs)
seed package 1662 € 7,99
Romulea leipoldtii

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.
20 seeds per package.

price (plus Shipping Costs)
seed package 1663 € 4,99
Romulea luteiflora

Romulea luteiflora

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.
20 seeds per package.

price (plus Shipping Costs)
seed package 4978 € 7,99
Romulea macowanii

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.
20 seeds per package.

price (plus Shipping Costs)
seed package 1665 € 7,99
Romulea macowanii var. alticola

Romulea macowanii var. alticola


20 seeds per package.

price (plus Shipping Costs)
seed package8567 € 7,99
Romulea montana

Romulea montana

10 (30)cm, attractive yellow flower cups with large brown spots in throat. For a well drained soil. Give some good winter protection (mulch layer), preferably for a sunny spot in a cool wintergarden to enjoy its flowers in early winter. IX-XI.
20 seeds per package.

price (plus Shipping Costs)
seed package 1668 € 4,99
Romulea monticola

Romulea monticola

10 (25)cm, makes showy pure lemon yellow flower cups with narrow dark stripes and upright hold leaves. Native of sandy loamy soils from Bokkeveld Mountains to Gifberg. Requires a good winter protection (i.e. dry mulch layer). 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.
20 seeds per package.

price (plus Shipping Costs)
seed package 4977 € 4,99
Romulea multisulcata

Romulea multisulcata

30 (50)cm, a tall species with upright hold leaves and showy bright yellow flower cups. Native of seasonally wet areas from Bokkeveld Mountains, Gifberg flats, and Namaqualand at Hondeklip Bay. For any rich, well drained soil in a sunny spot. Requires a good winter protection (i.e. dry mulch layer). 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.
20 seeds per package.

price (plus Shipping Costs)
seed package 4976 € 4,99
Romulea namaquensis

Romulea namaquensis

10 (20)cm, makes ornamental, shiny rose to bright coppery salmon flowers with several blotches or veins in its throat. Native of stony and sandy soils in the Northern Cape (Namaqualand).
20 seeds per package.

price (plus Shipping Costs)
seed package 1669 € 4,99