When to Plant Pyrethrum in Stevens Point, WI

Before planting it is a good idea to find your USDA Zone info to figure out your garden schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

The USDA zone info for Stevens Point should be reffered to in order to figure out when it's possible to plant pyrethrum.

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Planting Calendar for Pyrethrum

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

Pyrethrum are moderately cold tolerant which tells us that you can get them planted earlier than more sensitive plants.

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

The earliest that you can plant pyrethrum in Stevens Point 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 pyrethrum and expect a good harvest is probably August. You probably don't want to wait any later than that or else your pyrethrum may not have a chance to really do well. If you are starting your pyrethrum 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 May 15 in Stevens Point. You can expect an average low temperature of -25°F in the coldest months of winter.

Since the USDA zone info for Stevens Point is an average the actual date of last frost is different every year. Since half of the time in Stevens Point it frosts late in the year after May 15 be ready to protect your pyrethrum if you have a surprise late frost.

USDA Zone Info for Stevens Point

Here is the info for USDA Zone 4b.

Average Date of Last Frost (spring)May 15
Average Date of First Frost (fall)September 15
Lowest Expected Low-25°F
Highest Expected Low-20°F

This means that on a really cold year, the coldest it will get is -25°F. On most years you should be prepared to experience lows near -20°F.

Plants to Grow in Stevens Point

You may be interested in your other planting guides for Stevens Point.