When to Plant Nemesia in Marion, IL

Before planting it is a good idea to find your USDA Zone info to estimate your garden schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

By referring to the USDA zone info for Marion you will be able to determine when to plant nemesia.


Planting Calendar for Nemesia

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

You should not plant nemesia until after all chance of frost has passed because they are not cold tolerant.

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

Last Frost Date

The average date of last frost is April 15 in Marion. In the coldest months of winter you should expect an average low temperature of -5°F.

Since the USDA zone info for Marion may not be accurate from year to year the actual date of last frost is different every year. Since half of the time in Marion last frost occurs after April 15 be ready to cover your nemesia if you have one of those late frosts.

USDA Zone Info for Marion

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 Marion

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