When to Plant Nemesia in Emmaus, PA

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 Emmaus can be looked at to estimate when it's a good idea to plant nemesia.


Planting Calendar for Nemesia

Frost tolerance for nemesia: Not tolerant of frost.
When to plant: After the last frost has passed.

Nemesia do not do well in cold weather which tells us that it's necessary to wait until it warms up after the last frost when the weather gets warmer before you can plant them.

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

The earliest that you can plant nemesia in Emmaus is April. However, you really should wait until May if you don't want to take any chances.

The last month that you can plant nemesia and expect a good harvest is probably August. If you wait any later than that and your nemesia may not have a chance to grow to maturity. You can get started a few weeks earlier by starting your nemesia indoors.

Last Frost Date

In Emmaus 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 Emmaus is an average the actual date of last frost will vary from year to year. Since half of the time in Emmaus last frost occurs after April 15 be ready to cover your nemesia in the event of a surprise late frost.

USDA Zone Info for Emmaus

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 Emmaus

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