Valerian - Key Growing Information
DAYS TO GERMINATION:
Usually 7–21 days.SOWING:
Transplants are recommended: sow 3/8" deep in seed mix, water, and hold at 65–68°F (18–20°C) until germination. After that, grow at normal greenhouse temperatures until plants are 5–6" tall, then plant out in early spring once the ground can be worked.To sow in place, plant in spring or fall at about one seed per inch, 3/8–½" deep, thinning to 12–18" apart in rows 3' apart.
LIGHT PREFERENCE:
Full sun to partial shade.SOIL REQUIREMENTS:
Grows in many soils but prefers moist, well-drained loam.PLANT HEIGHT:
Grows about 48–78" tall.PLANT SPACING:
Space plants 12–18" apart.HARDINESS ZONES:
Hardy in Zones 3–9.HARVEST:
Dig the roots in fall of the second year, once the tops yellow and die back, or in spring before plants bolt and flower. Wash the roots and dry them somewhere warm, around 100°F (38°C).Note: In its second year the main plant dies back, and small daughter plants form around its base; transplant these at the recommended spacing.
Self-sows readily.
