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The Plant Guide

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Helianthus annuus and cvs.

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Sunflowers are some of the easiest plants to start from seed. They are available in numerous cultivars which span the range of heights, flower colors, and form.

Noteworthy CharacteristicsCultivars include 'Giant Grey Stripe' and 'Russian Giant'; 4- to 5-foot-tall ‘Primrose Yellow’; pure yellow, black-centered ‘Sunrich Lemon’, a pollen-free cultivar ideal for cut flowers; ‘Valentine’, a 5-foot-tall, base-branching plant with pale yellow petals and a big brown middle; 6- to 8-foot-tall ‘Autumn Beauty’ and the similar ‘Inca Jewels’, with flowers in a mix of colors; ‘Music Box’, a 2-1/2 footer similar to ‘Autumn Beauty’; ‘Sunburst’, another mix of colors on 4-foot plants; ‘Taiyo’, a 6-foot version of the classic tall sunflower; ‘Sunbeam’, a green-hearted golden flower; and ‘Teddy Bear’ and ‘Orange Sun Double', doubles.

CareTall cultivars may require support. Needs long, hot summers to flower well. Grow in moist but well-drained, moderately fertile, humus-rich soil.

PropagationSow seed in situ in spring or in pots in late winter.

ProblemsCommon: downy mildew, powdery mildew, canker, rust, and many fungal leaf spots. Also susceptible to damage from caterpillars, cutworms, beetles, and weevils.

  • Genus : Helianthus
  • Plant Width : 1 to 3 feet
  • Plant Height : 10 to 15 feet
  • Plant Type : Annuals
  • Bloom Time : Fall, Summer
  • Light : Full Sun
  • Moisture : Medium Moisture
  • Maintenance : Moderate
  • Plant Seasonal Interest : Summer Interest
  • Flower Color : Yellow
View Comments


  1. cindynordin 07/10/2015

    can i plant a helianthus hybrid potted sunflower in my garden

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