One of the best tools that you have as gardeners to help us estimate 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.

A common way of figuring out when it's a good idea to plant stoneseed is to look at the USDA zone info for The Dalles.

Planting Calendar for Stoneseed

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

Stoneseed require warm weather which means that you must wait until it warms up after the last frost has passed before you can plant them.

The earliest that you can plant stoneseed in The Dalles 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 stoneseed and expect a good harvest is probably August. You probably don't want to wait any later than that or else your stoneseed may not have a chance to really do well. You can get started a little bit earlier by starting your stoneseed indoors.

Last Frost Date

On average the last frost when the weather gets warmer is on March 15 in The Dalles. You can expect an average low temperature of 10°F in the coldest months of winter.

Since the USDA zone info for The Dalles is just an average the actual date of last frost is different every year. Since half of the time in The Dalles you get a frost after March 15 be ready to cover your stoneseed if you have a surprise late frost.

USDA Zone Info for The Dalles

Here is the info for USDA Zone 8a.

Average Date of Last Frost (spring)	March 15
Average Date of First Frost (fall)	November 15
Lowest Expected Low	10°F
Highest Expected Low	15°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 15°F.

Plants to Grow in The Dalles

You may be interested in your other planting guides for The Dalles.