One of the best tools that you have as gardeners to help us estimate your gardening schedule is the USDA zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

You can determine when it's the best time to plant lavender cotton in Rensselaer by reviewing 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 much earlier in the year than other plants that might not handle the cold.

The earliest that you can plant lavender cotton in Rensselaer 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 couple of weeks earlier by starting your lavender cotton indoors.

Last Frost Date

The average date of last frost is April 15 in Rensselaer. In the coldest months of winter you can expect an average low temperature of -15°F.

Since the USDA zone info for Rensselaer is just an average the actual date of last frost is different every year. Since half of the time in Rensselaer you get surprised by a frost after April 15 be ready to protect your lavender cotton if you have a late frost.

USDA Zone Info for Rensselaer

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 Rensselaer

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