When to Plant Pansies in Keene, NH

One of the first steps you take when you are making a decision about 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.

It's possible to estimate when to plant pansies by looking at the USDA zone info for Keene.


Planting Calendar for Pansies

Frost tolerance for pansies: Very tolerant of frost.
When to plant: Up to 7 weeks before last frost.

Pansies do well in quite a bit of cold which means that you can plant them much earlier in the year than other frost tender plants.

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

The earliest that you can plant pansies 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 pansies and expect a good harvest is probably September. If you wait any later than that and your pansies may not have a chance to fully mature. Starting your pansies indoors is a great way to get them started a couple of weeks earlier.

Last Frost Date

The average date of last frost is April 15 in Keene. You can expect an average low temperature of -15°F in the coldest months of winter.

Keep in mind that USDA zone info for Keene is not always accurate and the actual date of last frost changes from year to year. Half of the time in Keene there is a last frost after April 15 so make sure that you are ready to protect your pansies 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.