When to Plant Feverfew in Lewistown, MT

One of the first steps you take when you are making a decision about 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 earliest that you can plant feverfew in Lewistown can be determined by reviewing the USDA zone info.

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Planting Calendar for Feverfew

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

Feverfew are one of those plants that can tolerate a little bit of cold weather which tells us that you can get them planted earlier than plants that are more sensitive to the cold.

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

The earliest that you can plant feverfew in Lewistown 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 feverfew and expect a good harvest is probably August. You probably don't want to wait any later than that or else your feverfew may not have a chance to really do well. Starting your feverfew indoors is a great way to get them started a little bit earlier.

Last Frost Date

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

It's important to remember that USDA zone info for Lewistown is an average and the actual date of last frost can change quite a bit from year to year. Half of the time in Lewistown you get surprised by a frost after May 15 so just be sure to be ready to cover your feverfew in the event of a late frost.

USDA Zone Info for Lewistown

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 Lewistown

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