The USDA Zone info is a great tool for gardeners to help us estimate your gardening schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

The USDA zone info for Gresham should be looked at to estimate when it's possible to plant galium.

Planting Calendar for Galium

Frost tolerance for galium:	Tolerant of some frost.
When to plant:	Up to 5 weeks before last frost.

Galium are one of those plants that can tolerate a little bit of cold weather which tells us that you can start planting them earlier than plants that are more sensitive to the cold.

The earliest that you can plant galium 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 galium and expect a good harvest is probably September. You probably don't want to wait any later than that or else your galium may not have a chance to fully mature. You can get started a few weeks earlier by starting your galium indoors.

Last Frost Date

On average the last frost is on March 15 in Gresham. In the coldest months of winter you can expect an average low temperature of 15°F.

Remember that USDA zone info for Gresham may not be accurate from year to year and the actual date of last frost can change quite a bit from year to year. Since half of the time in Gresham last frost occurs after March 15 be ready to cover your galium in the event of 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.