The USDA Zone info is a great tool for gardeners to help us figure out your gardening schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

The first chance to plant lavender cotton in Bartlesville should be estimated by using the USDA zone info.

Planting Calendar for Lavender Cotton

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

Since lavender cotton do well in cold you can plant them earlier in the year than more sensitive plants.

The earliest that you can plant lavender cotton in Bartlesville 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 grow to maturity. You can get started a little bit earlier by starting your lavender cotton indoors.

Last Frost Date

On average all chance of frost has passed is on April 15 in Bartlesville. It might get as low as -5°F during the coldest months of winter.

Since the USDA zone info for Bartlesville is not always accurate the actual date of last frost can change quite a bit from year to year. Half of the time in Bartlesville you get surprised by a frost after April 15 so make sure that you are ready to cover your lavender cotton if you have a surprise late frost.

USDA Zone Info for Bartlesville

Here is the info for USDA Zone 6b.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-5°F
Highest Expected Low	0°F

This means that on a really cold year, the coldest it will get is -5°F. On most years you should be prepared to experience lows near 0°F.

Plants to Grow in Bartlesville

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