When to Plant Strawflowers in Rochester, MI

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.

The USDA zone info for Rochester should be looked at to figure out when it's a good idea to plant strawflowers.


Planting Calendar for Strawflowers

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

Strawflowers can survive in some cold which means that you can plant them just a tiny bit earlier in the year than other frost tender plants.

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

The earliest that you can plant strawflowers in Rochester 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 strawflowers and expect a good harvest is probably August. If you wait any later than that and your strawflowers may not have a chance to fully mature. You can get started a little bit earlier by starting your strawflowers indoors.

Last Frost Date

The average date of last frost is April 15 in Rochester. In the coldest months of winter you should expect an average low temperature of -10°F.

Just be sure to remember that the actual date of last frost is an average because it is based on the USDA zone info for Rochester and it changes from year to year. Since half of the time in Rochester there is a last frost after April 15 be ready to cover your strawflowers in the event of a surprise late frost.

USDA Zone Info for Rochester

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 Rochester

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