The USDA Zone info is a great tool for gardeners to help us determine your gardening schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

In Wheaton you can estimate when it's the best time to plant bacopa by reviewing the USDA zone info.

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.

Since bacopa do ok in moderate cold you can plant them slightly earlier in the year than more sensitive plants.

The earliest that you can plant bacopa in Wheaton 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. Any later than that and your bacopa may not have a chance to fully mature. If you are starting your bacopa indoors then you might be able to get away with starting them a few weeks earlier.

Last Frost Date

In Wheaton the average date of last frost happens on April 15. You can expect an average low temperature of -15°F in the coldest months of winter.

Just be sure to remember that USDA zone info for Wheaton is an average and the actual date of last frost is different every year. Half of the time in Wheaton you get a frost after April 15 so be sure to be ready to protect your bacopa in the event of a surprise late frost.

USDA Zone Info for Wheaton

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 Wheaton

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