When to Plant Euphorbia in Mountlake Terrace, WA

Before planting it is a good idea to find your USDA Zone info to determine your garden schedule. 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 estimate when you can plant euphorbia by reviewing the USDA zone info for Mountlake Terrace.


Planting Calendar for Euphorbia

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

Since euphorbia do ok in moderate cold you can plant them just a tiny bit earlier in the year than more sensitive plants.

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

The earliest that you can plant euphorbia in Mountlake Terrace 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 euphorbia and expect a good harvest is probably August. Any later than that and your euphorbia may not have a chance to grow to maturity. Starting your euphorbia indoors is a great way to get them started a little bit earlier.

Last Frost Date

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

Remember that USDA zone info for Mountlake Terrace may not be accurate from year to year and the actual date of last frost changes from year to year. Since half of the time in Mountlake Terrace there is a last frost after March 15 be ready to protect your euphorbia if you have a surprise late frost.

USDA Zone Info for Mountlake Terrace

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 Mountlake Terrace

You may be interested in your other planting guides for Mountlake Terrace.