One of the first steps you take when you are estimating your gardening schedule is find your USDA Zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

It's a good idea to determine when it's a good idea to plant trifolium by checking out the USDA zone info for Visalia.

Planting Calendar for Trifolium

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

You can plant trifolium slightly earlier in the year because they are barely cold tolerant.

The earliest that you can plant trifolium 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 trifolium and expect a good harvest is probably September. Any later than that and your trifolium may not have a chance to grow to maturity. If you are starting your trifolium 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 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 is an average the actual date of last frost can change quite a bit from year to year. Since half of the time in Visalia you get surprised by a frost after February 15 be ready to cover your trifolium in the event of a surprise late frost.

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.