One of the best tools that you have as gardeners to help us estimate your gardening schedule is the USDA zone info. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

The earliest that you can plant larkspur in Buchanan can be estimated by looking at the USDA zone info.

Planting Calendar for Larkspur

Frost tolerance for larkspur:	Very tolerant of frost.
When to plant:	Up to 7 weeks before last frost.

Larkspur can survive in quite a bit of cold which means that you can plant them a lot earlier in the year than more sensitive plants.

The earliest that you can plant larkspur in Buchanan is February. However, you really should wait until March if you don't want to take any chances.

The last month that you can plant larkspur and expect a good harvest is probably September. If you wait any later than that and your larkspur may not have a chance to really do well. You can get started a little bit earlier by starting your larkspur indoors.

Last Frost Date

The average date of last frost is April 15 in Buchanan. You can expect an average low temperature of -10°F in the coldest months of winter.

Keep in mind that USDA zone info for Buchanan may not be accurate from year to year and the actual date of last frost changes from year to year. Since half of the time in Buchanan it frosts late in the year after April 15 be ready to cover your larkspur in the event of a surprise late frost.

USDA Zone Info for Buchanan

Here is the info for USDA Zone 6a.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-10°F
Highest Expected Low	-5°F

This means that on a really cold year, the coldest it will get is -10°F. On most years you should be prepared to experience lows near -5°F.

Plants to Grow in Buchanan

You may be interested in your other planting guides for Buchanan.