When to Plant Blue Lace Flowers in Flat Rock, MI

One of the best tools that you have as gardeners to help us figure out your gardening schedule is the 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 earliest that you can plant blue lace flowers in Flat Rock can be figured out by referring to the USDA zone info.


Planting Calendar for Blue Lace Flowers

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

Since blue lace flowers do ok in moderate cold you can plant them slightly earlier in the year than more sensitive plants.

JanFebMarAprMayJunJulAugSepOctNovDec
Legend 
A good time to plant blue lace flowers
Possibly ok, but a risky time to plant blue lace flowers
Probably not a good time to plant blue lace flowers

The earliest that you can plant blue lace flowers in Flat Rock 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 blue lace flowers and expect a good harvest is probably August. Any later than that and your blue lace flowers may not have a chance to grow to maturity. Starting your blue lace flowers indoors is a great way to get them started a few weeks earlier.

Last Frost Date

The average date of last frost is April 15 in Flat Rock. In the coldest months of winter you should expect an average low temperature of -5°F.

It's important to remember that USDA zone info for Flat Rock is an average and the actual date of last frost will vary from year to year. Half of the time in Flat Rock last frost occurs after April 15 so make sure that you are ready to protect your blue lace flowers if you have a late frost.

USDA Zone Info for Flat Rock

Here is the info for USDA Zone 6b.

Average Date of Last Frost (spring)April 15
Average Date of First Frost (fall)October 15
Lowest Expected Low-5°F
Highest Expected Low0°F

This means that on a really cold year, the coldest it will get is -5°F. On most years you should be prepared to experience lows near 0°F.

Plants to Grow in Flat Rock

You may be interested in your other planting guides for Flat Rock.