When to Plant Vinca Vine in Maple Valley, WA

One of the first steps you take when you are estimating your gardening schedule is find your USDA Zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

The best time to plant vinca vine in Maple Valley should be figured out by using 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 a little bit earlier in the year because they are moderately cold tolerant.

JanFebMarAprMayJunJulAugSepOctNovDec
Legend 
A good time to plant vinca vine
Possibly ok, but a risky time to plant vinca vine
Probably not a good time to plant vinca vine

The earliest that you can plant vinca vine in Maple Valley 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. If you wait any later than that and your vinca vine may not have a chance to grow to maturity. You can get started a little bit earlier by starting your vinca vine indoors.

Last Frost Date

In Maple Valley the average date of last frost happens on March 15. In the coldest months of winter you can expect an average low temperature of 15°F.

Always keep in mind that USDA zone info for Maple Valley is an average and the actual date of last frost is different every year. Since half of the time in Maple Valley last frost occurs after March 15 be ready to cover your vinca vine in the event of a surprise late frost.

USDA Zone Info for Maple Valley

Here is the info for USDA Zone 8b.

Average Date of Last Frost (spring)March 15
Average Date of First Frost (fall)November 15
Lowest Expected Low15°F
Highest Expected Low20°F

This means that on a really cold year, the coldest it will get is 15°F. On most years you should be prepared to experience lows near 20°F.

Plants to Grow in Maple Valley

You may be interested in your other planting guides for Maple Valley.