When to Plant Lavender Cotton in San Rafael, CA

The USDA Zone info is a great tool for gardeners to help us estimate your gardening schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

The first chance to plant lavender cotton in San Rafael can be estimated 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.

Lavender Cotton tend to make it in a bit of cold which tells us that you can plant them quite a bit earlier in the year 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 San Rafael is January. However, you really should wait until February 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 October. 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. You can get started a couple of weeks earlier by starting your lavender cotton indoors.

Last Frost Date

On average the last frost is on January 31 in San Rafael. In the coldest months of winter you should expect an average low temperature of 30°F.

It's important to remember that USDA zone info for San Rafael is not always accurate and the actual date of last frost is different every year. Since half of the time in San Rafael there is a last frost after January 31 be ready to cover your lavender cotton if you have a late frost.

USDA Zone Info for San Rafael

Here is the info for USDA Zone 10a.

Average Date of Last Frost (spring)January 31
Average Date of First Frost (fall)December 15
Lowest Expected Low30°F
Highest Expected Low35°F

This means that on a really cold year, the coldest it will get is 30°F. On most years you should be prepared to experience lows near 35°F.

Plants to Grow in San Rafael

You may be interested in your other planting guides for San Rafael.