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.

You should be able to figure out when it's a good idea to plant achimenes by reviewing the USDA zone info for Sandpoint.

Planting Calendar for Achimenes

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

Since achimenes are not cold tolerant it is necessary to wait until after the last frost before you can plant them.

The earliest that you can plant achimenes in Sandpoint 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. Starting your achimenes indoors is a great way to get them started a few weeks earlier.

Last Frost Date

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

Since the USDA zone info for Sandpoint is just an average the actual date of last frost is different every year. Since half of the time in Sandpoint it frosts late in the year after April 15 be ready to protect your achimenes in the event of a surprise late frost.

USDA Zone Info for Sandpoint

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 Sandpoint

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