When to Plant Daylily in Germantown, WI

One of the best tools that you have as gardeners to help us figure out 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.

The USDA zone info for Germantown can be reffered to in order to determine when it's possible to plant daylily.


Planting Calendar for Daylily

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

Daylily are moderately cold tolerant which means that you can plant them a little bit earlier than plants that are more sensitive to the cold.

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 Germantown 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. You probably don't want to wait any later than that or else your daylily may not have a chance to grow to maturity. You can get started a few weeks earlier by starting your daylily indoors.

Last Frost Date

On average the last frost when the weather gets warmer is on April 15 in Germantown. It might get as low as -20°F during the coldest months of winter.

Since the USDA zone info for Germantown may not be accurate from year to year the actual date of last frost changes from year to year. Since half of the time in Germantown last frost occurs after April 15 be ready to protect your daylily if you have one of those late frosts.

USDA Zone Info for Germantown

Here is the info for USDA Zone 5a.

Average Date of Last Frost (spring)April 15
Average Date of First Frost (fall)October 15
Lowest Expected Low-20°F
Highest Expected Low-15°F

This means that on a really cold year, the coldest it will get is -20°F. On most years you should be prepared to experience lows near -15°F.

Plants to Grow in Germantown

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