The USDA Zone info is a great tool for gardeners to help us determine your gardening schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

By using the USDA zone info for Gresham you should be able to determine when you can plant pansies.

Planting Calendar for Pansies

Frost tolerance for pansies:	Very tolerant of frost.
When to plant:	Up to 7 weeks before last frost.

Pansies tend to make it in quite a bit of cold which means that you can plant them quite a bit earlier in the year than plants that are more sensitive to the cold.

The earliest that you can plant pansies in Gresham is February. However, you really should wait until March if you don't want to take any chances.

The last month that you can plant pansies and expect a good harvest is probably September. You probably don't want to wait any later than that or else your pansies may not have a chance to really do well. You can get started a couple of weeks earlier by starting your pansies indoors.

Last Frost Date

The average date of last frost is March 15 in Gresham. It might get as low as 15°F during the coldest months of winter.

Keep in mind that USDA zone info for Gresham is an average and the actual date of last frost will vary from year to year. Half of the time in Gresham you get surprised by a frost after March 15 so always be ready to protect your pansies if you have a late frost.

USDA Zone Info for Gresham

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 Gresham

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