Approximately 45.00 seeds per gram
seed-counts are only a guide, not to be used for accurate calculations.
B and T World Seeds' reference number:
USDA average, annual, minimum temperature Zone:6
Type of plant - biennial, the leaves form a low rosette the first year, growing vertically and flowering the following spring.
Flower: dk. PURPLE, campan., in panicles
Fruit: nutlets in 4s
Foliage: ell.-obl., to 12x2.5cm., erect, pointed
Height in meters: 0.9
Parts of Cynoglossum officinale are considered toxic.
Common names for Cynoglossum officinale:
is included in the following B and T World Seeds flowering plant categories:
12: British Native Wild Flowers Shrubs and Trees
36: Herb Seed List Culinary Medicinal Dye and Aromatic
43: Herbaceous Border Plant Seed List
77: Central European Native and Introduced Plants
131: Toxic Plants
169: Sandy Soil Plant Seed List
719: North American Native Ethnobotanicals
952: Wholesale Selection
Cynoglossum officinale seeds will usually germinate in 5-10 days. Normally germinates in the dark. Sow seeds about 6mm deep in a Peaty seed sowing mix at about 22°C.