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Watsonia

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Watsonia is a S African genus from middle to high altitudes, usually on grassy slopes, which are moist in spring and early summer. Plenty of decorative, sword like leaves and showy large flowering stems with plenty of usually tuberous flowers in brilliant colors. Good for any sheltered spot, add some extra protection (mulch) in winter or grow as pot plants in an unheated wintergarden with little freezing in winter only. Most species are usually evergreen to semi-evergreen, leaves will die down at temperatures below freezing, rhizomes will emerge again in late spring (April). If being cultivated under frostfree conditions (recommended for colder climates), several species will already gain flowering size within one year.
Sow late spring in any well drained soil in full sun. Best if pre-cultivated under frost-free conditions for two years. Keep pots frost free at max. 10°C in winter. Transplant young corms rather deep (some 15cm/6") in fall of the second year. A thick mulch layer as winter protection is recommendable for younger plants.
All are USDA Climate Zone 8 unless otherwise specified.
20 seeds per package.
Articles
Watsonia aletroides

Watsonia aletroides

30 (40)cm, makes large, hanging, cream to rose red, red tuber-like flowers. For any well drained soil with some clay added, full sun. Requires an excellent winter protection (e.g. a thick dry mulch layer). In colder climated better cultivate under frostfree conditions in a cool greenhouse or wintergarden. During dormancy reduce watering to a minimum. V-VII.
20 seeds per package.

price (plus Shipping Costs)
seed package 1934 € 5,99
Watsonia angusta

Watsonia angusta

90 (120)cm, makes showy bright orange flowers. Native of moist areas from Cedarberg Mountains to southern KwaZulu-Natal. 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 4967 € 4,99
Watsonia borbonica

Watsonia borbonica

100 (170)cm, very variable in size, in general a rather tall species with shiny leaves and flowers in rich pink shades. For any very well drained soil in full sun. Provide sufficient winter protection (mulch layer), better as pot plant under almost frostfree conditions in a cool greenhouse or wintergarden. VII-VIII.
20 seeds per package.

price (plus Shipping Costs)
seed package 1935 € 4,99
seed package
Watsonia coccinea

Watsonia coccinea

30cm, flowers in shades of bright red, purple to rich pink. For any humus rich, slightly moist, yet well drained soil in full sun. Give very good winter protection (mulch layer), preferably for almost frostfree conditions in a cool greenhouse or wintergarden to enjoy its early flowers. IV-V.
20 seeds per package.

price (plus Shipping Costs)
seed package 1936 € 4,99
Watsonia confusa

Watsonia confusa

50 (150)cm, makes few, pale to middle bluish green leaves with thickened margins. The pink flowers usually have a dark pink line in the lower mid-line of the lower three segments. For any rich substrate in a sunny spot. In winter keep plants slightly drier at a a minimum of some 10°C. III-IV.
20 seeds per package.

price (plus Shipping Costs)
seed package 1937 € 5,99
Watsonia densiflora

Watsonia densiflora

150cm, growing in large clumps in Transkei, S Natal and S Zululand at 1.500m. Has few short leaves, dense spikes of large bright pink to scarlet flowers. For any well drained, rather inorganic soil in full sun. Requires a good winter protection (thick mulch layer), or cultivate under almost frostfree conditions in an unheated greenhouse or wintergarden. VI-VII.
20 seeds per package.

price (plus Shipping Costs)
seed package 1938 € 4,99
Watsonia emiliae

Watsonia emiliae

35 (50)cm, a rare Fynbos species with pink flowers. For any very well drained soil in full sun. Requires an excellent winter protection (e.g. a thick dry mulch layer). In colder climated better cultivate under frostfree conditions in a cool greenhouse or wintergarden. During dormancy reduce watering to a minimum. V-VII.
20 seeds per package.

price (plus Shipping Costs)
seed package9564 € 7,99
Watsonia galpinii

Watsonia galpinii

100 (120)cm, a rare species growing in wet soils along streams in the southern Cape region. It makes showy rich salmon-pink to intense orange flowers. For any very well drained soil in full sun. Requires an excellent winter protection (e.g. a thick dry mulch layer). In colder climated better cultivate under frostfree conditions in a cool greenhouse or wintergarden. During dormancy reduce watering to a minimum. V-VII.
20 seeds per package.

price (plus Shipping Costs)
seed package9563 € 7,99
Watsonia gladioloides

Watsonia gladioloides

35 (50)cm, produces only few leaves with strongly thickened margins and a midrib. Its' dark red flowers have a darker stripe.
20 seeds per package.

price (plus Shipping Costs)
seed package 1939 € 4,99
Watsonia knysnana

Watsonia knysnana

120 (160)cm, a very ornamental Watsonia species with sword shaped leaves surrounding the pseudostem of the inflorescence. It makes tall spikes with trumpet shaped, salmon-pink flowers with a very long bract. For any rich substrate in a sunny spot. In winter keep plants slightly drier at a minimum of some 10°C. III-IV.
20 seeds per package.

price (plus Shipping Costs)
seed package 1940 € 4,99
Watsonia laccata

Watsonia laccata

50 (80)cm, a medium tall species with showy pale rose flowers. For any well drained, rather inorganic soil in full sun. Provide a very good winter protection (thick mulch layer), or cultivate under almost frostfree conditions in an unheated greenhouse or wintergarden. VII-VIII.
20 seeds per package.

price (plus Shipping Costs)
seed package 1941 € 4,99
Watsonia latifolia

Watsonia latifolia

70 (150)cm, from S West Transvaal, North Natal and Swaziland growing in grassland among granite rocks. Makes very broad leaves, long-tubed maroon red flowers. Very striking. For any well drained, rather inorganic soil in full sun. Give some good winter protection (thick mulch layer), or cultivate under almost frostfree conditions in an unheated greenhouse or wintergarden. VII.
20 seeds per package.

price (plus Shipping Costs)
seed package 1942 € 5,99
Watsonia lepida

Watsonia lepida

20 (70)cm, very variable in size, showy bright to rich pink flowers. For any humus rich, well drained soil, in a sunny to partially shaded spot. Requires some winter protection (light mulch layer). USDA Climate Zone 7. VI-VII.
20 seeds per package.

price (plus Shipping Costs)
seed package 1943 € 4,99
Watsonia longifolia

Watsonia longifolia

130 (200)cm, a species with variable flower colors: orange, pink, and red. For any humus rich, yet well drained soil in a sunny, protected spot.
20 seeds per package.

price (plus Shipping Costs)
seed package 1944 € 4,99
Watsonia marginata

Watsonia marginata

70 (170)cm, grayish leaves and light magenta flowers make an excellent combination in this species. Native to S Africa (Nieuwoudville to Caldeon and Peninsula). VII.
20 seeds per package.

price (plus Shipping Costs)
seed package 1945 € 4,99
Watsonia meriana

Watsonia meriana

150 (200)cm, many orange, red or pink flowers, thus a very variable species in flower color. For any humus rich, yet well drained soil in a sunny, protected spot. VI-VII.
20 seeds per package.

price (plus Shipping Costs)
seed package 1946 € 4,99
seed package
Watsonia occulta

Watsonia occulta

40cm, a medium sized species with long-tubed, pale pink flower trumpets. 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 around the leaves). V.
20 seeds per package.

price (plus Shipping Costs)
seed package 3815 € 4,99
Watsonia pauciflora

Watsonia pauciflora

30 (40)cm, a smaller species with narrow leaves and pale pink, widely opening flowers. For any very well drained soil in full sun. Requires an excellent winter protection (e.g. a thick dry mulch layer). In colder climated better cultivate under frostfree conditions in a cool greenhouse or wintergarden. During dormancy reduce watering to a minimum. V-VII.
20 seeds per package.

price (plus Shipping Costs)
seed package9562 € 4,99
Watsonia pillansii

Watsonia pillansii

50 (90)cm, a medium sized, very ornamental Watsonia species with orange to orange red flowers. For any well drained soil in full sun in the open garden with some excellent winter protection provided (e. g. a thick dry mulch layer). Alternatively grow under frostfree conditions in an unheated greenhouse or coo, wintergarden in a sunny spot. In winter keep plants slightly drier at a minimum of some 10°C. USDA Climate Zone 7/8. VII-VIII.
20 seeds per package.

price (plus Shipping Costs)
seed package 1947 € 4,99
Watsonia pulchra

Watsonia pulchra

70 (120)cm, makes broad leaves with thickened margins, and pink to maroon flowers with a darker pink stripe. A threatened species which is native of Swaziland. For any rich substrate in a sunny spot. In winter keep plants slightly drier at a minimum of some 10°C. III-IV.
20 seeds per package.

price (plus Shipping Costs)
seed package 1948 € 4,99
Watsonia rogersii

Watsonia rogersii

40 (60)cm, makes showy rich pink flowers with a darker throat. For any very well drained soil in full sun. Requires an excellent winter protection (e.g. a thick dry mulch layer). In colder climated better cultivate under frostfree conditions in a cool greenhouse or wintergarden. During dormancy reduce watering to a minimum. V-VII.
20 seeds per package.

price (plus Shipping Costs)
seed package9561 € 4,99
Watsonia schlechteri

Watsonia schlechteri

40 (90cm), makes an upright spike of utmost showy, bright scarlet orange flowers. For any rich, well drained soil in the open garden with some excellent winter protection (eg. a thick dry mulch layer). Preferably grown under frostfree conditions in an unheated greenhouse or cold wintergarden with reduced watering and a minimum of some 5°C in winter. VII-VIII.
20 seeds per package.

price (plus Shipping Costs)
seed package 6245 € 4,99
Watsonia spectabilis

Watsonia spectabilis

20 (50)cm, produces very nice, bright red to pale orange flowers. For any humus rich, yet well drained soil in a sunny, protected spot.
20 seeds per package.

price (plus Shipping Costs)
seed package 1949 € 4,99
Watsonia stokoei

Watsonia stokoei


20 seeds per package.

price (plus Shipping Costs)
seed package8623 € 7,99
Watsonia strubeniae

Watsonia strubeniae

50 (100)cm, makes tall racemes of several small, pink flowers. For any rich, well drained soil in a sunny spot throughout the year. Best grown in pots in a cool wintergarden or frostfree greenhouse. In winter keep drier at a minimum of some 10°C. VI-VII.
20 seeds per package.

price (plus Shipping Costs)
seed package 1032 € 4,99