The USDA Zone info is a great tool for gardeners to help us estimate 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 Visalia you can determine when it's the best time to plant verbena by reviewing the USDA zone info.

Planting Calendar for Verbena

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

Since verbena do ok in moderate cold you can plant them a bit earlier in the year than plants that are more sensitive to the cold.

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

The last month that you can plant verbena and expect a good harvest is probably September. Any later than that and your verbena may not have a chance to grow to maturity. Starting your verbena indoors is a great way to get them started a couple of weeks earlier.

Last Frost Date

On average the last frost when the weather gets warmer is on February 15 in Visalia. You should expect an average low temperature of 25°F in the coldest months of winter.

Since the USDA zone info for Visalia may not be accurate from year to year the actual date of last frost will vary from year to year. Since half of the time in Visalia it frosts late in the year after February 15 be ready to protect your verbena if you have one of those late frosts.

USDA Zone Info for Visalia

Here is the info for USDA Zone 9b.

Average Date of Last Frost (spring)	February 15
Average Date of First Frost (fall)	December 15
Lowest Expected Low	25°F
Highest Expected Low	30°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 30°F.

Plants to Grow in Visalia

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