Before planting it is a good idea to find your USDA Zone info to determine your garden 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 Edmonds should be used to determine when it's the best time to plant cuphea.

Planting Calendar for Cuphea

Frost tolerance for cuphea:	Not tolerant of frost.
When to plant:	After all chance of frost has passed.

You really shouldn't plant cuphea until after the last frost because they require warm weather.

The earliest that you can plant cuphea in Edmonds 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 cuphea and expect a good harvest is probably August. You probably don't want to wait any later than that or else your cuphea may not have a chance to fully mature. If you are starting your cuphea indoors then you might be able to get away with starting them a couple of weeks earlier.

Last Frost Date

On average the last frost is on March 15 in Edmonds. You should expect an average low temperature of 15°F in the coldest months of winter.

Always keep in mind that USDA zone info for Edmonds is an average and the actual date of last frost will vary from year to year. Since half of the time in Edmonds you get surprised by a frost after March 15 be ready to cover your cuphea in the event of a surprise late frost.

USDA Zone Info for Edmonds

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 Edmonds

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