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When to Plant Lemon grass in Keene, NH

One of the best tools that you have as gardeners to help us determine your gardening schedule is the USDA zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

In Keene you can figure out when it's a good idea to plant lemon grass by referring to the USDA zone info.


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 one of those plants that can tolerate a tiny bit of cold weather you can plant them just a tiny bit earlier in the year than plants that are more sensitive to 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 Keene 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. You probably don't want to wait any later than that or else 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 little bit earlier.

Last Frost Date

In Keene the average date of last frost happens on April 15. It might get as low as -15°F during the coldest months of winter.

Just be sure to remember that USDA zone info for Keene may not be accurate from year to year and the actual date of last frost can change quite a bit from year to year. Since half of the time in Keene you get a frost after April 15 be ready to protect your lemon grass if you have one of those late frosts.

USDA Zone Info for Keene

Here is the info for USDA Zone 5b.

Average Date of Last Frost (spring)April 15
Average Date of First Frost (fall)October 15
Lowest Expected Low-15°F
Highest Expected Low-10°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 -10°F.

Plants to Grow in Keene

You may be interested in your other planting guides for Keene.