GROW BIOINTENSIVEŽ CULTURAL INFO: W, H/ Matures 12/ Harvest 10-40/ Yield 2.5-10 (shelled) Spacing 24" (for compost 9") /
DAYS TO MATURITY: 120
SEED CODE: C
SEEDS PER PACKET: 52
APPROXIMATE GERMINATION DAYS: 7-14
SOIL TEMPERATURE FOR GERMINATION: 70F
PLANTING DEPTH: 1"
WHEN TO PLANT: Spring/early Summer
PACKET INSTRUCTIONS: Start in flats & transplant into any good, non-acid, well drained garden soil. Prefers a light loamy soil that is not very acidic - be sure to dig in compost and lime if needed. Does best if well dug. Space 24" apart if growing for seed, or 9" apart when growing for compost. Moderate feeder so fertilize it well. Mulch can help conserve moisture and keep soil loose. As heads mature, stalks may need staking to protect from wind.
BOTANICAL NAME: Helianthus annuus
DESCRIPTION: Tall, golden, single, large flowered for early planting with giant heads full of large seeds. Flowers are very showy. Sunflowers tend to be heavy feeders - so provide amply nutrients and note they like alkaline soil and consistent moisture. Appreciates some mulch over the summer.