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.

It's possible to estimate when it's a good idea to plant bacopa by reviewing the USDA zone info for Roy.

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 are barely cold tolerant you can plant them slightly earlier in the year than more sensitive plants.

The earliest that you can plant bacopa in Roy 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. Starting your bacopa indoors is a great way to get them started a couple of weeks earlier.

Last Frost Date

The average date of last frost is April 15 in Roy. In the coldest months of winter you can expect an average low temperature of 0°F.

Since the USDA zone info for Roy is just an average the actual date of last frost is different every year. Half of the time in Roy last frost occurs after April 15 so be sure to be ready to cover your bacopa in the event of one of those late frosts.

USDA Zone Info for Roy

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 Roy

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