One of the first steps you take when you are estimating 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.

In Ypsilanti you can determine when you can plant monkey flower by using the USDA zone info.

Planting Calendar for Monkey Flower

Frost tolerance for monkey flower:	Not tolerant of frost.
When to plant:	After the last frost has passed.

Since monkey flower require warm weather it's necessary to wait until after the last frost before you can plant them.

The earliest that you can plant monkey flower in Ypsilanti is April. However, you really should wait until May if you don't want to take any chances.

The last month that you can plant monkey flower and expect a good harvest is probably August. Any later than that and your monkey flower may not have a chance to really do well. You can get started a couple of weeks earlier by starting your monkey flower indoors.

Last Frost Date

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

Since the USDA zone info for Ypsilanti is not always accurate the actual date of last frost is different every year. Since half of the time in Ypsilanti there is a last frost after April 15 be ready to cover your monkey flower if you have a surprise late frost.

USDA Zone Info for Ypsilanti

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 Ypsilanti

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