Sunflower Seeds Mammoth Grey Stripe
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Talk about making a statement in the garden! Mammoth Grey Stripes huge blooms, growing to be 12 across, sit atop stems that grow to be 8-12 tall. Extremely fun to watch grow, Mammoth Grey Stripes' large size make them a great choice for scattering throughout the meadow, using as a background or privacy screen, and creating a childs first garden. Massive seed heads are good for harvesting and roasting or leaving in place to feed birds. All of the seed we carry at American Meadows is non-GMO, neonicotinoid-free and guaranteed to grow. Annual.
| Zones | 1 - 10 |
|---|---|
| Advantages | |
| Light Requirements | |
| Mature Plant Size | 96-144" tall (8-12 feet) |
| Bloom Time | Summer |
| SKU | AM015991 |
USDA Hardiness Planting Zones
To determine if a plant is sufficiently cold hardy, the USDA created numbered zones indicating winter low temperatures; the lower the zone number the colder the winter.
- If the coldest winter temperature expected in your area is -15°F (zone 5) then any plants rated zones 3-5 will survive the winter temperatures in your area.
- If you live in very warm winter areas (zones 9-11) plants with zones 3-4 ratings are not recommended. The lack of freezing winter temperatures do not provide a time for winter dormancy (rest).