When to Plant Echinacea in Monroe, WA

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

A common way of determining when it's possible to plant echinacea is to look at the USDA zone info for Monroe.


Planting Calendar for Echinacea

Frost tolerance for echinacea: Tolerant of a very small amount of frost.
When to plant: Up to 3 weeks before last frost.

Since echinacea do ok in moderate cold you can plant them a bit earlier in the year than other plants that might not handle the cold.

JanFebMarAprMayJunJulAugSepOctNovDec
Legend 
A good time to plant echinacea
Possibly ok, but a risky time to plant echinacea
Probably not a good time to plant echinacea

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

The last month that you can plant echinacea and expect a good harvest is probably August. If you wait any later than that and your echinacea may not have a chance to fully mature. You can get started a couple of weeks earlier by starting your echinacea indoors.

Last Frost Date

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

Always keep in mind that USDA zone info for Monroe is not always accurate and the actual date of last frost will vary from year to year. Half of the time in Monroe last frost occurs after March 15 so make sure that you are prepared to cover your echinacea in the event of a late frost.

USDA Zone Info for Monroe

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 Low15°F
Highest Expected Low20°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 Monroe

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