One of the best tools that you have as gardeners to help us estimate your gardening schedule is the USDA zone info. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

The earliest that you can plant bower vine in Sunnyvale should be determined by looking at the USDA zone info.

Planting Calendar for Bower Vine

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

Bower Vine do not do well in cold weather which means that it's necessary to wait until it warms up after the last frost before you can plant them.

The earliest that you can plant bower vine in Sunnyvale is March. However, you really should wait until April 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 fully mature. Starting your bower vine indoors is a great way to get them started a couple of weeks earlier.

Last Frost Date

The average date of last frost is February 15 in Sunnyvale. In the coldest months of winter you should expect an average low temperature of 25°F.

Since the USDA zone info for Sunnyvale is an average the actual date of last frost can change quite a bit from year to year. Since half of the time in Sunnyvale it frosts late in the year after February 15 be ready to cover your bower vine in the event of a late frost.

USDA Zone Info for Sunnyvale

Here is the info for USDA Zone 9b.

Average Date of Last Frost (spring)	February 15
Average Date of First Frost (fall)	December 15
Lowest Expected Low	25°F
Highest Expected Low	30°F

This means that on a really cold year, the coldest it will get is 25°F. On most years you should be prepared to experience lows near 30°F.

Plants to Grow in Sunnyvale

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