One of the first steps you take when you are estimating your gardening schedule is find your 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.

In Creston you can estimate when it's the best time to plant achimenes by referring to the USDA zone info.

Planting Calendar for Achimenes

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

It's a bad idea to plant achimenes until after the last frost has passed because they do not do well in cold weather.

The earliest that you can plant achimenes in Creston 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 really do well. You can get started a couple of weeks earlier by starting your achimenes indoors.

Last Frost Date

On average all chance of frost has passed is on April 15 in Creston. You can expect an average low temperature of -20°F in the coldest months of winter.

Always keep in mind that USDA zone info for Creston may not be accurate from year to year and the actual date of last frost can change quite a bit from year to year. Since half of the time in Creston you get surprised by a frost after April 15 be ready to protect your achimenes if you have a surprise late frost.

USDA Zone Info for Creston

Here is the info for USDA Zone 5a.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-20°F
Highest Expected Low	-15°F

This means that on a really cold year, the coldest it will get is -20°F. On most years you should be prepared to experience lows near -15°F.

Plants to Grow in Creston

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