Close

This website uses cookies. You consent the use of cookies by continuing to use this website. See our policy on Data Protection and Privacy, Customer Account & Cookies

Onosma & Onosmodium (False Gromwell)

Onosma are some 80 species from rocky or sandy sites in the Mediterranean region through Western Asia. They are usually perennial plants with coarse leaves and short stalks with showy tubular flowers. Easily cultivated in any rich, well drained, rocky soil in full sun. Excellent in the rock garden.
False Gromwell is a small genus from North America growing in rocky open sites in woods and mountainous regions. They are usually perennial plants with coarse leaves and short stalks with nodding tubular flowers. Easily cultivated in any rich, well drained, rocky soil in full sun. Excellent in the rock garden.
Sow flat in any rich, well drained, slightly rocky soil. Keep pots in full sun in a protected spot outside. Carefully transplant as soon as seedlings are strong enough.
All are USDA Climate Zone 6.
10 seeds per package.
Articles
Onosma albo-rosea Exclusive

Onosma albo-rosea Exclusive

15 (25)cm, is a perennial with a basal blackish green leaf rosette forming dense cushions in time, and several inflorescence with showy white flowers fading to rose in early spring. Native of rocky slopes in mountains in western Asia Minor (Turkey to Syria). For any rich, very well drained soil in full sun. An excellent rock garden plant. III-IV.
10 seeds per package.

price (plus Shipping Costs)
seed package 4573 € 4,99
seed package
Onosma arenaria (Sand Onosma)

Onosma arenaria (Sand Onosma)

20 (30)cm, Sand Onosma is a rare herbaceous perennial from sandy soils throughout Europe. It makes a terminal dense clusters of funnel shaped, pale yellow flowers above narrow fresh green to dark green leaves. For any rich, very well drained, rocky or sandy soil in full sun. Excellent in a protected spot in the rock garden. V-VI.
10 seeds per package.

price (plus Shipping Costs)
seed package 4067 € 4,99
seed package
Onosma bourgaei Exclusive

Onosma bourgaei Exclusive

20 (30)cm, is a perennial with a basal leaf rosette and several upright inflorescences with yellow to white, narrow bell-shaped flowers. Native of rocky spots in mountains in the Caucasus and western Asia. For any rich, very well drained soil in full sun. An excellent rock garden plant. V-VI.
10 seeds per package.

price (plus Shipping Costs)
seed package 4584 € 4,99
seed package
Onosma echioides

Onosma echioides

15 (25)cm, a perennial species with upright stems covered with pendulous pale yellow flowers above narrow, densely pubescent leaves. It is native of dry meadows in Italy. For any rich, well drained soil in full sun. Excellent in the rock garden. VI-VII.
10 seeds per package.

price (plus Shipping Costs)
seed package 4821 € 4,99
Onosma polyphyllum

Onosma polyphyllum

15 (25)cm, is a perennial with a basal grayish green rosette with narrow leaves forming dense cushions in time, and several inflorescence with showy pale yellow flowers in early spring. Native of rocky slopes in mountains in the Krym peninsula. For any rich, very well drained soil in full sun. An excellent rock garden plant. III-IV.
10 seeds per package.

price (plus Shipping Costs)
seed package 4588 € 4,99*
* This price is valid if a single item is ordered only. The shop will automatically assign discounts on bulk purchases. If several packages are ordered from this species, they will be merged into a single package. Please refer to our General Terms of Business.
Onosma stellulata

Onosma stellulata

15 (25)cm, is a perennial with a basal leaf rosette and several upright inflorescences with showy yellow, bell-shaped flowers. Native of rocky spots in mountains in Asia minor. For any rich, very well drained soil in full sun. An excellent rock garden plant. V-VI.
10 seeds per package.

price (plus Shipping Costs)
seed package 4587 € 4,99
seed package
Onosmodium molle (False Gromwell)

Onosmodium molle (False Gromwell)

30cm, False Gromwell is a herbaceous North American perennial which makes short stalks with coarse, grayish green leaves and nodding tubular flowers. Easily cultivated in any rich, well drained, rocky soil in full sun. Excellent in the rock garden. IV-V.
10 seeds per package.

price (plus Shipping Costs)
seed package 6037 € 4,99