German greenweed, German broom, Heath genista, Genêt d'Allemagne
Genista germanica
🌿 Morphology
🌞 Growing conditions
🌍 Origin and family
🌾 Uses
Warning: Despite the care taken in writing this sheet, it is essential to cross-reference sources before using or consuming any plant. When in doubt, consult a qualified professional
Permaculture uses
German greenweed can be used for erosion control due to its soil-binding roots. It's a nitrogen fixer, enriching the soil. Its flowers attract pollinators. Not typically used for food or medicine, although related species have some traditional uses.
Permapeople description
Genista germanica, known as German Greenweed, is a spiny shrub native to Europe. It typically grows in heathlands and open woodlands. It features yellow flowers.
Botanical description
Genista germanica is a deciduous shrub, typically growing to 1-2 feet tall. It has slender, green stems and small, trifoliate leaves. The plant is covered in golden-yellow, pea-like flowers in spring and early summer. It produces small, dark pods containing several seeds. Prefers well-drained, acidic to neutral soils and full sun. It's native to central Europe and can be found in heathlands and open woodlands.
Companion planting
Like other legumes, it benefits from association with mycorrhizal fungi. Its nitrogen-fixing properties can benefit nearby plants, but its dense growth habit may compete with smaller or slower-growing species. It generally pairs well with other plants from similar environments: heathers, gorse.
Propagation methods
Seed sowing is the primary method. Seeds should be scarified or soaked in hot water to improve germination. Stem cuttings can also be attempted, though success rates may be lower.
History and traditions
Historically, related Genista species were used in folk medicine and for dyeing textiles yellow. Genista germanica itself has limited recorded historical uses compared to other species in the genus, but shares similar potential.
Usage calendar
Flowering occurs in late spring and early summer (May-July). Seed collection in late summer/early fall. Planting is best done in spring or fall. Pruning is minimal, usually just removing dead or damaged wood in late winter or early spring.