When to Plant Bacopa in Monmouth, IL

One of the first steps you take when you are estimating your gardening schedule is find your 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 Monmouth should be read to figure out when to plant bacopa.


Planting Calendar for Bacopa

Frost tolerance for bacopa: Tolerant of a very small amount of frost.
When to plant: Up to 3 weeks before last frost.

Bacopa are one of those plants that can tolerate a tiny bit of cold weather which means that you can get them planted just a bit earlier than other plants that might not handle the cold.

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

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

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

Last Frost Date

On average the last frost has passed is on April 15 in Monmouth. In the coldest months of winter you can expect an average low temperature of -15°F.

Since the USDA zone info for Monmouth is not always accurate the actual date of last frost changes from year to year. Half of the time in Monmouth there is a last frost after April 15 so make sure that you are ready to protect your bacopa in the event of a late frost.

USDA Zone Info for Monmouth

Here is the info for USDA Zone 5b.

Average Date of Last Frost (spring)April 15
Average Date of First Frost (fall)October 15
Lowest Expected Low-15°F
Highest Expected Low-10°F

This means that on a really cold year, the coldest it will get is -15°F. On most years you should be prepared to experience lows near -10°F.

Plants to Grow in Monmouth

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