Unique flower form and contrast makes The Joker an interesting
variety to add to your sunflower lineup. Semi-double to fully
double red and yellow bi-colored flowers are produced on tall
branched plants. Matures in approximately 60-65 days.
Soil temperature: 70 - 75 degrees fahrenheit
Germination lighting: Dark required
Germination days: 4 - 8 days
Grow on temperature day: 55 - 60 degrees fahrenheit
Weeks indoor: 4 - 5 weeks
Plant spread: 18 - 24 inches
Plant height: 72''
Plant type: annual
Maturation days: 60-65 days