When to Plant Lemon grass 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 zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

By checking out the USDA zone info for Mill Creek you should be able to determine when it's the best time to plant lemon grass.


Planting Calendar for Lemon grass

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

Since lemon grass are barely cold tolerant 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 lemon grass
Possibly ok, but a risky time to plant lemon grass
Probably not a good time to plant lemon grass

The earliest that you can plant lemon grass in Mill Creek 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 lemon grass and expect a good harvest is probably August. If you wait any later than that and your lemon grass may not have a chance to grow to maturity. You can get started a couple of weeks earlier by starting your lemon grass indoors.

Last Frost Date

On average the last frost when the weather gets warmer is on March 15 in Mill Creek. It might get as low as 15°F during the coldest months of winter.

Since the USDA zone info for Mill Creek is an average the actual date of last frost will vary from year to year. Half of the time in Mill Creek it frosts late in the year after March 15 so always be ready to cover your lemon grass in the event of a surprise 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.