Before planting it is a good idea to find your USDA Zone info to estimate your garden schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

You will be able to determine when it's possible to plant pansies by reviewing the USDA zone info for Grafton.

Planting Calendar for Pansies

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

You can plant pansies much earlier in the year because they do well in cold.

The earliest that you can plant pansies in Grafton 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. You probably don't want to wait any later than that or else your pansies may not have a chance to grow to maturity. If you are starting your pansies indoors then you might be able to get away with starting them a little bit earlier.

Last Frost Date

The average date of last frost is April 15 in Grafton. It might get as low as -15°F during the coldest months of winter.

Since the USDA zone info for Grafton may not be accurate from year to year the actual date of last frost can change quite a bit from year to year. Since half of the time in Grafton you get a frost after April 15 be ready to cover your pansies if you have a late frost.

USDA Zone Info for Grafton

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 Grafton

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