When to Plant Daylily in Conshohocken, PA

One of the best tools that you have as gardeners to help us determine your gardening schedule is the USDA zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

The first chance to plant daylily in Conshohocken should be determined by referring to the USDA zone info.


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 earlier 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 Conshohocken 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 fully mature. You can get started a couple of weeks earlier by starting your daylily indoors.

Last Frost Date

The average date of last frost is April 15 in Conshohocken. You can expect an average low temperature of 0°F in the coldest months of winter.

Remember that the actual date of last frost is just an average because it is based on the USDA zone info for Conshohocken and it will vary from year to year. Since half of the time in Conshohocken there is a last frost after April 15 be ready to cover your daylily in the event of a surprise late frost.

USDA Zone Info for Conshohocken

Here is the info for USDA Zone 7a.

Average Date of Last Frost (spring)April 15
Average Date of First Frost (fall)October 15
Lowest Expected Low0°F
Highest Expected Low5°F

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

Plants to Grow in Conshohocken

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