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