A popular dwarf alpine species that’s loaded with vivid yellow blooms through May and June. Also known as Rock Madwort. This native of Turkey and central and south-western Europe is perfect for rock gardens, rock walls and borders. The foliage is a pleasing light grey-green. the plants mature to a garden height of 15 cm (6″). Perennial hardy to Zone 4.
How to Grow
1200 seed/gram. Start seed 6 to 8 weeks early indoors in soil-less mix. Keep at a temperature of 20 C (68 F) for the 5 to 10 day germination period. Grow on under lights at a cooler temperature of 15 C (60 F) before hardening off and planting outside after the danger of frost has passed. Note that seed will germinate better when first planted, moistened and pre-chilled for 10 to 15 days.