One of the best tools that you have as gardeners to help us determine your gardening schedule is the 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 possible to figure out when you can plant achimenes by looking at the USDA zone info for Madison Heights.

Planting Calendar for Achimenes

Frost tolerance for achimenes:	Not tolerant of frost.
When to plant:	After all chance of frost has passed.

Since achimenes are not cold tolerant you must wait until after the last frost before you can plant them.

The earliest that you can plant achimenes in Madison Heights 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 achimenes and expect a good harvest is probably August. If you wait any later than that and your achimenes may not have a chance to grow to maturity. You can get started a few weeks earlier by starting your achimenes indoors.

Last Frost Date

The average date of last frost is April 15 in Madison Heights. You can expect an average low temperature of -10°F in the coldest months of winter.

Keep in mind that the actual date of last frost is an average because it is based on the USDA zone info for Madison Heights and it is different every year. Half of the time in Madison Heights last frost occurs after April 15 so make sure that you are prepared to protect your achimenes in the event of one of those late frosts.

USDA Zone Info for Madison Heights

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 Madison Heights

You may be interested in your other planting guides for Madison Heights.