How to grow Multiplying onion 'Firmament'
Try to plant in a location that enjoys full sun and remember to water moderately. Keep in mind when planting that Firmament is thought of as hardy, so this plant will grow or become dormant during the winter.
Growing Firmament from seed
Transplanting Firmament
As Firmament is hardy, ensure temperatures are mild enough to plant out - wait until after your last frost date to be on the safe side.
Harvesting Firmament