When to Plant Verbena in Evansdale, IA

One of the first steps you take when you are figuring out your gardening schedule is find your 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 verbena in Evansdale should be estimated by checking out the USDA zone info.


Planting Calendar for Verbena

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

Since verbena do ok in moderate cold you can plant them just a tiny bit earlier in the year than more sensitive plants.

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

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

The last month that you can plant verbena and expect a good harvest is probably August. If you wait any later than that and your verbena may not have a chance to fully mature. You can get started a couple of weeks earlier by starting your verbena indoors.

Last Frost Date

In Evansdale the average date of last frost happens on April 15. In the coldest months of winter you can expect an average low temperature of -20°F.

Since the USDA zone info for Evansdale is just an average the actual date of last frost is different every year. Since half of the time in Evansdale last frost occurs after April 15 be ready to protect your verbena in the event of a surprise late frost.

USDA Zone Info for Evansdale

Here is the info for USDA Zone 5a.

Average Date of Last Frost (spring)April 15
Average Date of First Frost (fall)October 15
Lowest Expected Low-20°F
Highest Expected Low-15°F

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

Plants to Grow in Evansdale

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