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.

It's a good idea to determine when you can plant begonias by referring to the USDA zone info for Bellingham.

Planting Calendar for Begonias

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

Since begonias require warm weather it's necessary to wait until after the last frost has passed before you can plant them.

The earliest that you can plant begonias in Bellingham 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 begonias and expect a good harvest is probably August. Any later than that and your begonias may not have a chance to really do well. You can get started a couple of weeks earlier by starting your begonias indoors.

Last Frost Date

The average date of last frost is March 15 in Bellingham. You should expect an average low temperature of 10°F in the coldest months of winter.

Since the USDA zone info for Bellingham may not be accurate from year to year the actual date of last frost can change quite a bit from year to year. Since half of the time in Bellingham you get a frost after March 15 be ready to protect your begonias if you have a late frost.

USDA Zone Info for Bellingham

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 Bellingham

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