Helianthus giganteus

Helianthus giganteus

SKU:
helgig
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Description

Helianthus giganteus (giant sunflower) culture and characteristics:

Sun; moist to average soil; 10'x5'; summer bloom.  Zone 3.

Native to C & E North America

Propagated from seed; deep 3.5-inch pots

Photo: Howard Williams