This quirky cultivar of the soft-rush Juncus effusus grows its stiff, smooth leaves in a curious corkscrew shape. The leaves add a touch of drama to floral bouquets. Continue reading below for some tips on how to grow Twister Grass from seed.
Juncus effusus 'Spiralis'
Season & Zone
Exposure: Full sun to partial shade
Hardiness: Juncus is hardy to Zone 4
Direct sow on the soil surface and barely cover with soil. Optimal soil temperature for germination:18-24°C (65-75°F). Expect germination in 6-12 days.
Barely cover the small seeds.
Juncus prefers damp soils, and grows well at the margins of ponds or in soil that is consistently irrigated. It does well in slightly acidic soil in full sun to partial shade. Space clumps 20-30cm (8-12") apart.