When to Plant Lavender Cotton in Charleston, IL

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.

The best time to plant lavender cotton in Charleston can be figured out by looking at the USDA zone info.

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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 are one of those plants that can tolerate quite a bit of cold weather which means that you can plant them a quite a bit earlier than other plants that might not handle the cold.

JanFebMarAprMayJunJulAugSepOctNovDec
Legend 
A good time to plant lavender cotton
Possibly ok, but a risky time to plant lavender cotton
Probably not a good time to plant lavender cotton

The earliest that you can plant lavender cotton in Charleston 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. If you wait any later than that and your lavender cotton may not have a chance to fully mature. Starting your lavender cotton indoors is a great way to get them started a couple of weeks earlier.

Last Frost Date

On average the last frost when the weather gets warmer is on April 15 in Charleston. In the coldest months of winter you can expect an average low temperature of -10°F.

Since the USDA zone info for Charleston is an average the actual date of last frost will vary from year to year. Half of the time in Charleston there is a last 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 Charleston

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 Charleston

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