Saponaria - Key Growing Information

Saponaria flowers; this crop prefers sandy soil and good drainage; partial shade or bright filtered light to sunny locations.
DAYS TO GERMINATION: 7-10 days at 70°F (21°C).

SOWING: Performs best in areas with cool summers. Sow at 2-3 week intervals until midsummer for continuous bloom. Blooms July to August. Direct seed (recommended) - Sow in early spring when the soil is cool and a light frost is still possible. Sow 2-3 seeds every 2", 1/8" deep. Thin to stand 2-9" apart when the first true leaves appear. Transplant - Sow directly into 72-cell plug flats, 2-3 seeds per cell, 4-5 weeks before last frost. Lightly cover seed. Thin to 1 plant per cell. harden off and transplant outdoors after last frost.

LIGHT PREFERENCE: Sun.

SOIL REQUIREMENTS:
Average, well-drained soil.

PLANT SPACING: 2-9".

HARDINESS ZONES: Annual.

HARVEST: When 1-2 flowers in a spray are open.

USES: Excellent cut-flower filler. Cottage gardens.

SCIENTIFIC NAME: Vaccaria hispanica

ALTERNATE NAMES: Soapwort, cow soapwort