One of the best tools that you have as gardeners to help us figure out your gardening schedule is the USDA zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

By looking at the USDA zone info for Saco it's a good idea to determine when it's the best time to plant redvein dock.

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 can survive in some cold which means that you can plant them slightly earlier in the year than more sensitive plants.

The earliest that you can plant redvein dock in Saco is March. However, you really should wait until April 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 August. If you wait any later than that and your redvein dock may not have a chance to really do well. If you are starting your redvein dock indoors then you might be able to get away with starting them a couple of weeks earlier.

Last Frost Date

In Saco the average date of last frost happens on April 15. In the coldest months of winter you should expect an average low temperature of -15°F.

Since the USDA zone info for Saco is not always accurate the actual date of last frost will vary from year to year. Since half of the time in Saco you get surprised by a frost after April 15 be ready to cover your redvein dock if you have a late frost.

USDA Zone Info for Saco

Here is the info for USDA Zone 5b.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-15°F
Highest Expected Low	-10°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 -10°F.

Plants to Grow in Saco

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