When to Plant Sedum in Mill Creek, WA

One of the first steps you take when you are estimating your gardening schedule is find your USDA Zone info. 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 Mill Creek should be reffered to in order to figure out when it's possible to plant sedum.


Planting Calendar for Sedum

Frost tolerance for sedum: Very tolerant of frost.
When to plant: Up to 7 weeks before last frost.

Sedum do well in a bit of cold which tells us that you can plant them earlier in the year than plants that are more sensitive to the cold.

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

The earliest that you can plant sedum in Mill Creek 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 sedum and expect a good harvest is probably September. Any later than that and your sedum may not have a chance to really do well. You can get started a few weeks earlier by starting your sedum indoors.

Last Frost Date

In Mill Creek the average date of last frost happens on March 15. In the coldest months of winter you can expect an average low temperature of 15°F.

Keep in mind that the actual date of last frost is just an average because it is based on the USDA zone info for Mill Creek and it is different every year. Half of the time in Mill Creek last frost occurs after March 15 so just be sure to be ready to cover your sedum if you have one of those late frosts.

USDA Zone Info for Mill Creek

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 Mill Creek

You may be interested in your other planting guides for Mill Creek.