When to Plant Evolvulus in Newcastle, OK

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 first chance to plant evolvulus in Newcastle should be estimated by using the USDA zone info.


Planting Calendar for Evolvulus

Frost tolerance for evolvulus: Not tolerant of frost.
When to plant: After the last frost when the weather gets warmer.

Evolvulus require warm weather which means that it is important to wait until it warms up after the last frost before you can plant them.

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

The earliest that you can plant evolvulus in Newcastle is April. However, you really should wait until May if you don't want to take any chances.

The last month that you can plant evolvulus and expect a good harvest is probably August. You probably don't want to wait any later than that or else your evolvulus may not have a chance to fully mature. If you are starting your evolvulus indoors then you might be able to get away with starting them a couple of weeks earlier.

Last Frost Date

The average date of last frost is April 15 in Newcastle. In the coldest months of winter you can expect an average low temperature of 0°F.

Since the USDA zone info for Newcastle is an average the actual date of last frost will vary from year to year. Since half of the time in Newcastle there is a last frost after April 15 be ready to protect your evolvulus in the event of a surprise late frost.

USDA Zone Info for Newcastle

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 Low0°F
Highest Expected Low5°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 Newcastle

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