How to grow Spiderwort 'Zwanenburg Blue'
Try to plant in a location that enjoys partial sun and remember to water moderately. Keep in mind when planting that Zwanenburg Blue is thought of as hardy, so this plant will survive close to or on freezing temperatures.
Growing Zwanenburg Blue from seed
Soil temperature should be kept higher than 20°C / 68°F to ensure good germination.
Transplanting Zwanenburg Blue
Ensure that temperatures are mild and all chance of frost has passed before planting out, as Zwanenburg Blue is a hardy plant.
Harvesting Zwanenburg Blue