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.

A way of estimating when it's a good idea to plant lavender is to examine the USDA zone info for Belle Plaine.

Planting Calendar for Lavender

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

Lavender can survive in some cold which means that you can plant them a little earlier in the year than plants that are more sensitive to the cold.

The earliest that you can plant lavender in Belle Plaine 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 lavender and expect a good harvest is probably August. If you wait any later than that and your lavender may not have a chance to really do well. You can get started a couple of weeks earlier by starting your lavender indoors.

Last Frost Date

On average the last frost when the weather gets warmer is on May 15 in Belle Plaine. It might get as low as -25°F during the coldest months of winter.

Keep in mind that USDA zone info for Belle Plaine is not always accurate and the actual date of last frost is different every year. Half of the time in Belle Plaine it frosts late in the year after May 15 so just be sure to be ready to cover your lavender if you have a late frost.

USDA Zone Info for Belle Plaine

Here is the info for USDA Zone 4b.

Average Date of Last Frost (spring)	May 15
Average Date of First Frost (fall)	September 15
Lowest Expected Low	-25°F
Highest Expected Low	-20°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 -20°F.

Plants to Grow in Belle Plaine

You may be interested in your other planting guides for Belle Plaine.