Before planting it is a good idea to find your USDA Zone info to estimate your garden schedule. 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 determine when you can plant achimenes by reviewing the USDA zone info for Pacific.

Planting Calendar for Achimenes

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

Achimenes do not do well in cold weather which means that you have to wait until it warms up after all chance of frost has passed before you can plant them.

The earliest that you can plant achimenes in Pacific 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 March 15 in Pacific. It might get as low as 15°F during the coldest months of winter.

Since the USDA zone info for Pacific is just an average the actual date of last frost can change quite a bit from year to year. Since half of the time in Pacific you get surprised by a frost after March 15 be ready to protect your achimenes if you have a late frost.

USDA Zone Info for Pacific

Here is the info for USDA Zone 8b.

Average Date of Last Frost (spring)	March 15
Average Date of First Frost (fall)	November 15
Lowest Expected Low	15°F
Highest Expected Low	20°F

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

Plants to Grow in Pacific

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