When to Plant Gaillardia in Isanti, MN

Before planting it is a good idea to find your USDA Zone info to figure out your garden schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

You can determine when it's possible to plant gaillardia in Isanti by reviewing the USDA zone info.


Planting Calendar for Gaillardia

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

Gaillardia can survive in mild cold which means that you can plant them a bit earlier in the year than other plants that might not handle the cold.

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

The earliest that you can plant gaillardia in Isanti 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 gaillardia and expect a good harvest is probably August. You probably don't want to wait any later than that or else your gaillardia may not have a chance to grow to maturity. You can get started a couple of weeks earlier by starting your gaillardia indoors.

Last Frost Date

The average date of last frost is May 15 in Isanti. It might get as low as -30°F during the coldest months of winter.

Remember that USDA zone info for Isanti may not be accurate from year to year and the actual date of last frost is different every year. Half of the time in Isanti last frost occurs after May 15 so always be ready to protect your gaillardia in the event of a late frost.

USDA Zone Info for Isanti

Here is the info for USDA Zone 4a.

Average Date of Last Frost (spring)May 15
Average Date of First Frost (fall)September 15
Lowest Expected Low-30°F
Highest Expected Low-25°F

This means that on a really cold year, the coldest it will get is -30°F. On most years you should be prepared to experience lows near -25°F.

Plants to Grow in Isanti

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