Before planting it is a good idea to find your USDA Zone info to determine your garden schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

By checking out the USDA zone info for Middleton it's a good idea to estimate when it's a good idea to plant achimenes.

Planting Calendar for Achimenes

Frost tolerance for achimenes:	Not tolerant of frost.
When to plant:	After the last frost.

Achimenes require warm weather which tells us that you must wait until it warms up after the last frost before you can plant them.

The earliest that you can plant achimenes in Middleton 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. 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 Middleton. You can expect an average low temperature of 0°F in the coldest months of winter.

Remember that the actual date of last frost may not be accurate from year to year because it is based on the USDA zone info for Middleton and it is different every year. Half of the time in Middleton you get surprised by a frost after April 15 so make sure that you are prepared to cover your achimenes if you have one of those late frosts.

USDA Zone Info for Middleton

Here is the info for USDA Zone 7a.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	0°F
Highest Expected Low	5°F

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

Plants to Grow in Middleton

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