When to Plant California Poppy in Northville, MI

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.

It's a good idea to estimate when to plant california poppy by reviewing the USDA zone info for Northville.


Planting Calendar for California Poppy

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

You can plant california poppy slightly earlier in the year because they are one of those plants that can tolerate a tiny bit of cold weather.

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

The earliest that you can plant california poppy in Northville 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 california poppy and expect a good harvest is probably August. Any later than that and your california poppy may not have a chance to fully mature. If you are starting your california poppy indoors then you might be able to get away with starting them a little bit earlier.

Last Frost Date

The average date of last frost is April 15 in Northville. It might get as low as -10°F during the coldest months of winter.

Remember that USDA zone info for Northville is an average and the actual date of last frost changes from year to year. Since half of the time in Northville there is a last frost after April 15 be ready to cover your california poppy if you have a late frost.

USDA Zone Info for Northville

Here is the info for USDA Zone 6a.

Average Date of Last Frost (spring)April 15
Average Date of First Frost (fall)October 15
Lowest Expected Low-10°F
Highest Expected Low-5°F

This means that on a really cold year, the coldest it will get is -10°F. On most years you should be prepared to experience lows near -5°F.

Plants to Grow in Northville

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