How to grow Rock cress 'Royal Violet'
Keep in mind when planting that Royal Violet is thought of as hardy, so this plant will survive close to or on freezing temperatures.
Growing Royal Violet from seed
Soil temperature should be kept higher than 10°C / 50°F to ensure good germination.
Transplanting Royal Violet
Ensure that temperatures are mild and all chance of frost has passed before planting out, as Royal Violet is a hardy plant.
Harvesting Royal Violet