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Bupleurum - Key Growing Information
DAYS TO GERMINATION: 14-21 days at 55-60°F (13-16°C)
SOWING: Direct seed (recommended) - As soon as soil can be worked. Transplant - Sow into 128- or 72-cell plug flats or preferred seedling container 5-8 weeks before planting out. 128-cell plugs require 5-7 weeks, and 72-cell plugs require 6-8 weeks of growing to mature transplant. Harden off seedlings before transplanting out.
LIGHT PREFERENCE: Sun/Part Shade.
PLANT HEIGHT: 24-36".
PLANT SPACING: 10". Support may be necessary in windy locations.
HARDINESS ZONES: Annual.
HARVEST: Fresh - Flower heads begin to show color. Dried - Flowers completely open; hang to dry.
SOIL REQUIREMENTS: Average, well-drained soil.
USES: Excellent as fresh cut or dried flower. Bouquet filler. Provides interest and height at back of flower beds.
SCIENTIFIC NAME: Bupleurum rotundifolium
ALTERNATE NAMES: Thoroughwax, hare's ear