How to grow Rock cress 'Blue Gown'
Keep in mind when planting that Blue Gown is thought of as hardy, so this plant will grow or become dormant during the winter.
Growing Blue Gown from seed
Soil temperature should be kept higher than 10°C / 50°F to ensure good germination.
Transplanting Blue Gown
As Blue Gown is hardy, ensure temperatures are mild enough to plant out - wait until after your last frost date to be on the safe side.
Harvesting Blue Gown