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When to Plant New Zealand spinach 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 most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

By referring to the USDA zone info for Keene you should be able to figure out when it's possible to plant new zealand spinach.


Planting Calendar for New Zealand spinach

Frost tolerance for new zealand spinach: Tolerant of some frost.
When to plant: Up to 5 weeks before last frost.

New Zealand spinach can survive in moderate cold which tells us that you can plant them a little bit earlier in the year than other frost tender plants.

JanFebMarAprMayJunJulAugSepOctNovDec
Legend 
A good time to plant new zealand spinach
Possibly ok, but a risky time to plant new zealand spinach
Probably not a good time to plant new zealand spinach

The earliest that you can plant new zealand spinach in Keene 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 new zealand spinach and expect a good harvest is probably September. You probably don't want to wait any later than that or else your new zealand spinach may not have a chance to grow to maturity. If you are starting your new zealand spinach 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 April 15 in Keene. You should expect an average low temperature of -15°F in the coldest months of winter.

Since the USDA zone info for Keene is just an average the actual date of last frost changes from year to year. Half of the time in Keene last frost occurs after April 15 so make sure that you are ready to cover your new zealand spinach in the event of a surprise late frost.

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.