When to Plant Lemon grass in Happy Valley, OR

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.

By checking out the USDA zone info for Happy Valley it's a good idea to figure out 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.

You can plant lemon grass just a tiny bit earlier in the year because they are one of those plants that can tolerate a tiny bit of cold weather.

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 Happy Valley 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. Any later than that and your lemon grass may not have a chance to really do well. If you are starting your lemon grass indoors then you might be able to get away with starting them a few weeks earlier.

Last Frost Date

The average date of last frost is March 15 in Happy Valley. It might get as low as 15°F during the coldest months of winter.

Since the USDA zone info for Happy Valley is an average the actual date of last frost will vary from year to year. Since half of the time in Happy Valley last frost occurs after March 15 be ready to protect your lemon grass in the event of a late frost.

USDA Zone Info for Happy Valley

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 Happy Valley

You may be interested in your other planting guides for Happy Valley.