When to Plant Daylily in Zone 6b

The USDA Zone info is a great tool for gardeners to help us estimate your gardening schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

A way of figuring out when to plant daylily is to refer to the USDA zone info for Zone 6b.

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Planting Calendar for Daylily

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

Daylily do ok in mild cold which means that you can plant them just a bit earlier in the year than other frost tender plants.

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

The earliest that you can plant daylily in Zone 6b 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 daylily and expect a good harvest is probably September. Any later than that and your daylily may not have a chance to grow to maturity. If you are starting your daylily indoors then you might be able to get away with starting them a little bit earlier.

Last Frost Date

In Zone 6b the average date of last frost happens on April 15. You can expect an average low temperature of -5°F in the coldest months of winter.

Since the USDA zone info for Zone 6b is an average the actual date of last frost is different every year. Half of the time in Zone 6b it frosts late in the year after April 15 so make sure that you are prepared to cover your daylily in the event of a surprise late frost.

USDA Zone Info for Zone 6b

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 Zone 6b

You may be interested in your other planting guides for Zone 6b.