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.

One way of getting a good idea when to plant painted tongues is to examine the USDA zone info for Forest Grove.

Planting Calendar for Painted Tongues

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

It's probably a bad idea to plant painted tongues until after the last frost because they require warm weather.

The earliest that you can plant painted tongues in Forest Grove 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 painted tongues and expect a good harvest is probably August. If you wait any later than that and your painted tongues may not have a chance to really do well. You can get started a few weeks earlier by starting your painted tongues indoors.

Last Frost Date

On average the last frost when the weather gets warmer is on March 15 in Forest Grove. It might get as low as 15°F during the coldest months of winter.

Always keep in mind that USDA zone info for Forest Grove may not be accurate from year to year and the actual date of last frost is different every year. Since half of the time in Forest Grove last frost occurs after March 15 be ready to cover your painted tongues in the event of a late frost.

USDA Zone Info for Forest Grove

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 Forest Grove

You may be interested in your other planting guides for Forest Grove.