When to Plant Bacopa in Altoona, WI

Before planting it is a good idea to find your USDA Zone info to determine 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.

The USDA zone info for Altoona should be reffered to in order to figure out when it's the best time 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.

You can plant bacopa just a tiny bit earlier in the year because they are barely cold tolerant.

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 Altoona 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 bacopa and expect a good harvest is probably August. You probably don't want to wait any later than that or else 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 Altoona the average date of last frost happens on May 15. It might get as low as -25°F during the coldest months of winter.

Always keep in mind that the actual date of last frost is just an average because it is based on the USDA zone info for Altoona and it changes from year to year. Since half of the time in Altoona you get a frost after May 15 be ready to protect your bacopa if you have a surprise late frost.

USDA Zone Info for Altoona

Here is the info for USDA Zone 4b.

Average Date of Last Frost (spring)May 15
Average Date of First Frost (fall)September 15
Lowest Expected Low-25°F
Highest Expected Low-20°F

This means that on a really cold year, the coldest it will get is -25°F. On most years you should be prepared to experience lows near -20°F.

Plants to Grow in Altoona

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