The USDA Zone info is a great tool for gardeners to help us estimate your gardening 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 San Rafael can be reffered to in order to estimate when you can plant bower vine.

Planting Calendar for Bower Vine

Frost tolerance for bower vine:	Not tolerant of frost.
When to plant:	After the last frost has passed.

You can not plant bower vine until after the last frost because they require warm weather.

The earliest that you can plant bower vine in San Rafael 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 bower vine and expect a good harvest is probably September. If you wait any later than that and your bower vine may not have a chance to grow to maturity. Starting your bower vine indoors is a great way to get them started a couple of weeks earlier.

Last Frost Date

On average the last frost when the weather gets warmer is on January 31 in San Rafael. It might get as low as 30°F during the coldest months of winter.

Since the USDA zone info for San Rafael is an average the actual date of last frost can change quite a bit from year to year. Half of the time in San Rafael you get a frost after January 31 so always be ready to protect your bower vine in the event of a surprise 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 Low	30°F
Highest Expected Low	35°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.