One of the best tools that you have as gardeners to help us estimate your gardening schedule is the USDA zone info. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

You can determine when you can plant redvein dock in Phoenix by using the USDA zone info.

Planting Calendar for Redvein Dock

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

Redvein Dock do well in some cold which tells us that you can plant them slightly earlier in the year than more sensitive plants.

The earliest that you can plant redvein dock in Phoenix 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 redvein dock and expect a good harvest is probably September. Any later than that and your redvein dock may not have a chance to really do well. You can get started a few weeks earlier by starting your redvein dock indoors.

Last Frost Date

In Phoenix the average date of last frost happens on February 15. It might get as low as 25°F during the coldest months of winter.

Just be sure to remember that USDA zone info for Phoenix is an average and the actual date of last frost will vary from year to year. Since half of the time in Phoenix it frosts late in the year after February 15 be ready to cover your redvein dock in the event of one of those late frosts.

USDA Zone Info for Phoenix

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 Phoenix

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