A 2003 All America Selection. Prairie Sun is quite different in appearance from other Rudbeckias. It has a light green center with sunny yellow petals edged with a lighter shade of yellow. Plants grow to about 3' in height and blooms can be as large as 5" across. Blooms the first year from seed and stems are sufficiently long to provide high-quality cut flowers.
Perennial, Zones 5-9
Germination: 7-12 days
Germination Temperature: Optimum soil temperatures 70-75ºF
Seed Planting Depth: Sow on the surface and press into soil, seeds need light to germinate.
Starting Indoors: Start indoors 6-8 weeks before the last frost. Provide 70-75ºF soil temperature. Transplant after the last frost, 12-18" apart.
Sowing Outdoors: Direct sow 1-2 weeks before the last frost date, sow 3-5 seeds every 12-18"apart.
Growth Habit: Upright
Height and Width: 30-36" by 18-24"
Spacing: 12-18" apart
Light Needs: Full sun
Soil Needs: Loose, rich, well-drained
Approximate days to flower from seed: Blooms in the second year may bloom the first season when started early indoors.
Uses: Flower beds, containers, cut flowers, attracts pollinators
Care: Water seedlings regularly until established and water well during dry spells. Amend soil with compost before transplanting. Harvest flowers often for bouquets or deadhead for continuous blooms.