Stock - Key Growing Information
DAYS TO GERMINATION: 7-14 days at 65-75°F (18-24°C).
SOWING: Transplant: Sow 2 seeds/cell, 1/4" deep in 128-cell plug trays 8-10 weeks before last frost. Cover seeds lightly with vermiculite to help retain moisture. Transplant to packs or larger containers 14-21 days after sowing.
Direct seed: Sow seed after last frost.
SELECTION: Select for double flower by observing color, size, and shape of the cotyledon. After approximately 7-10 days after emergence selecting the lighter green seedling with an oval shape will produce double flowers. Discard the very small seedlings, ones that are darker green in color, and those with rounder shaped cotyledons, which will produce single flowers.
LIGHT PREFERENCE: Sun.
SOIL REQUIREMENTS: Well-drained, moderately rich soil.
PLANT HEIGHT: Varies. Support is necessary when the temperatures are consistently above 60°F (16°C) or where it rains frequently.
PLANT SPACING: 6-10".
HARDINESS ZONES: Annual.
HARVEST: Fresh: Harvest when 1/3 to 1/2 the florets on stem are open.
STEM LENGTH: 10-24".
VASE LIFE: 5-10 days. 36-41°F (2-5°C) ideal storage temperature.
USES: Excellent cut flower. Edible flower. Beds, borders, and containers.
SCIENTIFIC NAME: Matthiola incana