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.

A way of making a decision about when it's possible to plant vinca vine is to consult the USDA zone info for Carlsbad.

Planting Calendar for Vinca Vine

Frost tolerance for vinca vine:	Tolerant of some frost.
When to plant:	Up to 5 weeks before last frost.

Since vinca vine do well in moderate cold you can plant them a little bit earlier in the year than more sensitive plants.

The earliest that you can plant vinca vine in Carlsbad 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 vinca vine and expect a good harvest is probably September. Any later than that and your vinca vine may not have a chance to grow to maturity. You can get started a few weeks earlier by starting your vinca vine indoors.

Last Frost Date

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

Remember that USDA zone info for Carlsbad is just an average and the actual date of last frost changes from year to year. Since half of the time in Carlsbad you get surprised by a frost after March 15 be ready to protect your vinca vine in the event of a surprise late frost.

USDA Zone Info for Carlsbad

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 Carlsbad

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