Mammoth Grey - Sunflower
Grow it Forward Heirloom Plant
Germ
7-14 days
Depth
¼ to ½ in
Spacing
1 in
Row Spacing
12-36 in
Sunlight
Part Shade/Full Sun
Planting Time
Spring
Harvest
45-100 days
Powered by Baker Creek Heirloom Seeds
Care instructions
The standard giant variety that produces delicious seeds. The 10-foot plants produce heads that average 12 inches across. A stately garden plant.
Photos by members
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Sow in place in spring, or start plants indoors and grow for several weeks, setting out after last frost, transplanting carefully. Plants require full sun, rich soil and moderate soil moisture. Space plants about one foot apart. Picking spent blooms prolongs bloom season.
Grow it Forward Gardens with this Plant
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