When to Plant Lenten Rose 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 first chance to plant lenten rose in Mill Creek can be estimated by checking out the USDA zone info.


Planting Calendar for Lenten Rose

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

Lenten Rose do well in moderate cold which means that you can get them planted earlier than more sensitive plants.

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

The earliest that you can plant lenten rose 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 lenten rose and expect a good harvest is probably September. You probably don't want to wait any later than that or else your lenten rose may not have a chance to grow to maturity. If you are starting your lenten rose indoors then you might be able to get away with starting them a few weeks earlier.

Last Frost Date

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

Since the USDA zone info for Mill Creek may not be accurate from year to year the actual date of last frost can change quite a bit from year to year. Since half of the time in Mill Creek it frosts late in the year after March 15 be ready to protect your lenten rose in the event of a late frost.

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.