One of the first steps you take when you are making a decision about 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.

It's a good idea to determine when to plant achimenes by referring to the USDA zone info for Plattsburgh.

Planting Calendar for Achimenes

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

You really shouldn't plant achimenes until after all chance of frost has passed because they are not cold tolerant.

The earliest that you can plant achimenes in Plattsburgh 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. You probably don't want to wait any later than that or else your achimenes may not have a chance to grow to maturity. If you are starting your achimenes indoors then you might be able to get away with starting them a few weeks earlier.

Last Frost Date

On average the last frost has passed is on April 15 in Plattsburgh. It might get as low as -20°F during the coldest months of winter.

Always keep in mind that the actual date of last frost is an average because it is based on the USDA zone info for Plattsburgh and it can change quite a bit from year to year. Since half of the time in Plattsburgh you get surprised by a frost after April 15 be ready to cover your achimenes if you have one of those late frosts.

USDA Zone Info for Plattsburgh

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 Plattsburgh

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