Before planting it is a good idea to find your USDA Zone info to determine your garden schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

The USDA zone info for Sunnyvale can be used to determine when to plant lavender cotton.

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 a lot earlier in the year than plants that are more sensitive to the cold.

The earliest that you can plant lavender cotton in Sunnyvale 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 fully mature. If you are starting your lavender cotton indoors then you might be able to get away with starting them a few weeks earlier.

Last Frost Date

On average all chance of frost has passed is on March 15 in Sunnyvale. It might get as low as 10°F during the coldest months of winter.

Just be sure to remember that USDA zone info for Sunnyvale may not be accurate from year to year and the actual date of last frost changes from year to year. Since half of the time in Sunnyvale you get surprised by a frost after March 15 be ready to cover your lavender cotton if you have a late frost.

USDA Zone Info for Sunnyvale

Here is the info for USDA Zone 8a.

Average Date of Last Frost (spring)	March 15
Average Date of First Frost (fall)	November 15
Lowest Expected Low	10°F
Highest Expected Low	15°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 15°F.

Plants to Grow in Sunnyvale

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