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.

You should be able to determine when it's possible to plant lysimachia by looking at the USDA zone info for Sedona.

Planting Calendar for Lysimachia

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

Lysimachia do well in moderate cold which means that you can get them planted earlier than other frost tender plants.

The earliest that you can plant lysimachia in Sedona 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 lysimachia and expect a good harvest is probably September. You probably don't want to wait any later than that or else your lysimachia may not have a chance to really do well. You can get started a little bit earlier by starting your lysimachia indoors.

Last Frost Date

On average all chance of frost has passed is on March 15 in Sedona. You should expect an average low temperature of 15°F in the coldest months of winter.

Since the USDA zone info for Sedona is an average the actual date of last frost is different every year. Since half of the time in Sedona you get surprised by a frost after March 15 be ready to cover your lysimachia if you have a surprise late frost.

USDA Zone Info for Sedona

Here is the info for USDA Zone 8b.

Average Date of Last Frost (spring)	March 15
Average Date of First Frost (fall)	November 15
Lowest Expected Low	15°F
Highest Expected Low	20°F

This means that on a really cold year, the coldest it will get is 15°F. On most years you should be prepared to experience lows near 20°F.

Plants to Grow in Sedona

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