One of the best tools that you have as gardeners to help us determine 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.

It's a good idea to figure out when to plant lavender cotton by looking at the USDA zone info for Keene.

Planting Calendar for Lavender Cotton

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

Lavender Cotton do ok in quite a bit of cold which means that you can plant them much earlier in the year than more sensitive plants.

The earliest that you can plant lavender cotton in Keene 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 lavender cotton and expect a good harvest is probably September. Any later than that and your lavender cotton may not have a chance to really do well. If you are starting your lavender cotton indoors then you might be able to get away with starting them a little bit earlier.

Last Frost Date

In Keene the average date of last frost happens on March 15. In the coldest months of winter you can expect an average low temperature of 10°F.

Since the USDA zone info for Keene is just an average the actual date of last frost will vary from year to year. Half of the time in Keene there is a last frost after March 15 so always be ready to protect your lavender cotton in the event of one of those late frosts.

USDA Zone Info for Keene

Here is the info for USDA Zone 8a.

Average Date of Last Frost (spring)	March 15
Average Date of First Frost (fall)	November 15
Lowest Expected Low	10°F
Highest Expected Low	15°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 15°F.

Plants to Grow in Keene

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