When Can I Plant Sunflowers In Zone 6a - FrostDate
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The USDA Zone info is a great tool for gardeners to help us estimate your gardening schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.
By using the USDA zone info for Zone 6a you will be able to figure out when it's a good idea to plant sunflowers.
Planting Calendar for Sunflowers
| Frost tolerance for sunflowers: | Not tolerant of frost. |
| When to plant: | After all chance of frost has passed. |
Since sunflowers require warm weather you must wait until after all chance of frost has passed before you can plant them.