Before planting it is a good idea to find your USDA Zone info to estimate your garden schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

You can figure out when you can plant lysimachia in Bellingham by referring to the USDA zone info.

Planting Calendar for Lysimachia

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

Since lysimachia are moderately cold tolerant you can plant them just a bit earlier in the year than plants that are more sensitive to the cold.

The earliest that you can plant lysimachia in Bellingham 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 lysimachia and expect a good harvest is probably September. Any later than that and your lysimachia may not have a chance to fully mature. You can get started a few weeks earlier by starting your lysimachia indoors.

Last Frost Date

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

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. Half of the time in Bellingham there is a last frost after March 15 so be sure to be ready to cover your lysimachia if you have one of those late frosts.

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.