When can I plant Lavender Cotton in Zone 5b

Before planting it is a good idea to find our USDA Zone info to figure out our garden schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for our area.

By checking out the USDA zone info for Zone 5b it's possible to estimate when it's the best time to plant lavender cotton.


Planting Calendar for Lavender Cotton

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

Since lavender cotton are one of those plants that can tolerate quite a bit of cold weather you can plant them quite a bit earlier in the year than other frost tender plants.

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 Zone 5b 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. You probably don't want to wait any later than that or else your lavender cotton may not have a chance to grow to maturity. 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 Zone 5b the average date of last frost happens on April 15. We should expect an average low temperature of -15°F in the coldest months of winter.

Just be sure to remember that USDA zone info for Zone 5b is not always accurate and our actual date of last frost will vary from year to year. Since half of the time in Zone 5b last frost occurs after April 15 be ready to cover your lavender cotton if we have a late frost.

USDA Zone Info for Zone 5b

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 Zone 5b

You may be interested in our other planting guides for Zone 5b.