The USDA Zone info is a great tool for gardeners to help us figure out your gardening schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

In West Haven you can estimate when it's the best time to plant vinca vine by reviewing the USDA zone info.

Planting Calendar for Vinca Vine

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

You can plant vinca vine just a bit earlier in the year because they are moderately cold tolerant.

The earliest that you can plant vinca vine in West Haven 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 really do well. You can get started a couple of weeks earlier by starting your vinca vine indoors.

Last Frost Date

In West Haven the average date of last frost happens on April 15. It might get as low as 0°F during the coldest months of winter.

Remember that USDA zone info for West Haven is not always accurate and the actual date of last frost will vary from year to year. Half of the time in West Haven it frosts late in the year after April 15 so make sure that you are prepared to protect your vinca vine in the event of a surprise late frost.

USDA Zone Info for West Haven

Here is the info for USDA Zone 7a.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	0°F
Highest Expected Low	5°F

This means that on a really cold year, the coldest it will get is 0°F. On most years you should be prepared to experience lows near 5°F.

Plants to Grow in West Haven

You may be interested in your other planting guides for West Haven.