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SunBelievable™ Sunflower

Helianthus 'SunBelievable'
Size Chart

Annuals & Perennials Size Chart

Annuals & Perennials Size Chart

Typically available from summer to fall. Call store for exact availability. 

Add beautiful color to borders or containers with these large, vibrant, sunny-yellow blooms. Heat tolerant, producing over 1,000 flowers in a single season!

Plant with Verbena


  • Landscape Size: 1'-3' height, 1'-3' wide
  • Light Requirement: Full Sun
  • Water Needs: Moderate
  • USDA Zone: 10a or All as Annual
  • Growth Habit: Upright
  • Growth Rate: Fast
  • Attributes: Flowers For Cutting, Showy Flowers

These characteristics apply to the greater Sacramento area and nearby regions. 

Live outside of our area? Please check with your local cooperative extension for the best growing practices in your neck of the woods.

Visit: UC Cooperative Extension Offices

Visit: National County Extension Offices

Green thumb Guide

Plant in enriched soil with good drainage. Fertilize regularly with an all purpose plant food for larger blooms.



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