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Big Smile

Photos are representative and may not match your specific variety.

Big Smile

Flower

Helianthus annuus

  • Full sun
  • Zones 2–11
  • 50 days to maturity
  • Flowers
  • 12" spacing
  • Moderate water
  • Annual
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  • Overview

    Attractive in small beds, containers, and 4-6" pots. 3-6" blooms are bright golden-yellow with a black center. Day neutral. Branching. Bears pollen.

  • Planting

    Start indoors 4-6 weeks before last frost and transplant after frost, or direct sow after last spring frost

  • Growing

    Sun: full. Water: moderate. Soil: Well-draining loam; potting mix for containers. Space plants 12" apart. Germination: 7-14 days.

  • Pests & diseases

    Common pests: Aphids, spider mites, slugs. Common diseases: Powdery mildew, downy mildew, rust.