Before planting it is a good idea to find your USDA Zone info to figure out your garden schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

A way of making a decision about when it's a good idea to plant pyrethrum is to refer to the USDA zone info for Lodi.

Planting Calendar for Pyrethrum

Frost tolerance for pyrethrum:	Tolerant of some frost.
When to plant:	Up to 5 weeks before last frost.

Pyrethrum do well in moderate cold which means that you can start planting them earlier than more sensitive plants.

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

The last month that you can plant pyrethrum and expect a good harvest is probably October. Any later than that and your pyrethrum may not have a chance to really do well. You can get started a little bit earlier by starting your pyrethrum indoors.

Last Frost Date

In Lodi the average date of last frost happens on February 15. In the coldest months of winter you can expect an average low temperature of 25°F.

It's important to remember that USDA zone info for Lodi is just an average and the actual date of last frost will vary from year to year. Half of the time in Lodi you get surprised by a frost after February 15 so always be ready to cover your pyrethrum in the event of a surprise late frost.

USDA Zone Info for Lodi

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 Lodi

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