One of the first steps you take when you are figuring out 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.

It's a good idea to estimate when it's a good idea to plant bacopa by using the USDA zone info for Knoxville.

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 do ok in moderate cold which means that you can get them planted just a bit earlier than other frost tender plants.

The earliest that you can plant bacopa in Knoxville 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 fully mature. If you are starting your bacopa indoors then you might be able to get away with starting them a couple of weeks earlier.

Last Frost Date

The average date of last frost is April 15 in Knoxville. It might get as low as 0°F during the coldest months of winter.

Always keep in mind that the actual date of last frost is not always accurate because it is based on the USDA zone info for Knoxville and it can change quite a bit from year to year. Half of the time in Knoxville you get surprised by a frost after April 15 so always be ready to protect your bacopa in the event of one of those late frosts.

USDA Zone Info for Knoxville

Here is the info for USDA Zone 7a.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	0°F
Highest Expected Low	5°F

This means that on a really cold year, the coldest it will get is 0°F. On most years you should be prepared to experience lows near 5°F.

Plants to Grow in Knoxville

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