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