When to Plant Hemerocallis in New London, CT

One of the first steps you take when you are determining your gardening schedule is find your USDA Zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

You can determine when it's a good idea to plant hemerocallis in New London by using the USDA zone info.


Planting Calendar for Hemerocallis

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

You can plant hemerocallis just a bit earlier in the year because they are moderately cold tolerant.

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

The earliest that you can plant hemerocallis in New London 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 hemerocallis and expect a good harvest is probably September. You probably don't want to wait any later than that or else your hemerocallis may not have a chance to fully mature. Starting your hemerocallis indoors is a great way to get them started a few weeks earlier.

Last Frost Date

In New London the average date of last frost happens on April 15. You should expect an average low temperature of -5°F in the coldest months of winter.

Since the USDA zone info for New London is just an average the actual date of last frost is different every year. Since half of the time in New London there is a last frost after April 15 be ready to protect your hemerocallis if you have one of those late frosts.

USDA Zone Info for New London

Here is the info for USDA Zone 6b.

Average Date of Last Frost (spring)April 15
Average Date of First Frost (fall)October 15
Lowest Expected Low-5°F
Highest Expected Low0°F

This means that on a really cold year, the coldest it will get is -5°F. On most years you should be prepared to experience lows near 0°F.

Plants to Grow in New London

You may be interested in your other planting guides for New London.