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

You should be able to determine when it's the best time to plant lavender cotton by reviewing the USDA zone info for Elmhurst.

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 are very cold tolerant you can plant them much earlier in the year than other frost tender plants.

The earliest that you can plant lavender cotton in Elmhurst 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 fully mature. 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 Elmhurst. In the coldest months of winter you can expect an average low temperature of -15°F.

Since the USDA zone info for Elmhurst is an average the actual date of last frost will vary from year to year. Since half of the time in Elmhurst you get surprised by a frost after April 15 be ready to protect your lavender cotton if you have one of those late frosts.

USDA Zone Info for Elmhurst

Here is the info for USDA Zone 5b.

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

This means that on a really cold year, the coldest it will get is -15°F. On most years you should be prepared to experience lows near -10°F.

Plants to Grow in Elmhurst

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