One of the best tools that you have as gardeners to help us determine 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 best time to plant purple bell vines in South Bay should be estimated by looking at the USDA zone info.

Planting Calendar for Purple Bell Vines

Frost tolerance for purple bell vines:	Tolerant of a very small amount of frost.
When to plant:	Up to 3 weeks before last frost.

Purple Bell Vines do ok in moderate cold which means that you can start planting them slightly earlier than other frost tender plants.

The earliest that you can plant purple bell vines in South Bay 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 purple bell vines and expect a good harvest is probably September. You probably don't want to wait any later than that or else your purple bell vines may not have a chance to grow to maturity. You can get started a few weeks earlier by starting your purple bell vines indoors.

Last Frost Date

The average date of last frost is January 31 in South Bay. It might get as low as 30°F during the coldest months of winter.

Remember that USDA zone info for South Bay is not always accurate and the actual date of last frost can change quite a bit from year to year. Since half of the time in South Bay there is a last frost after January 31 be ready to cover your purple bell vines if you have a late frost.

USDA Zone Info for South Bay

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 South Bay

You may be interested in your other planting guides for South Bay.