When to Plant Lavender in Lake Mills, WI

Before planting it is a good idea to find your USDA Zone info to determine your garden schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

By checking out the USDA zone info for Lake Mills you should be able to estimate when it's possible to plant lavender.


Planting Calendar for Lavender

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

Lavender are one of those plants that can tolerate a little bit of cold weather which tells us that you can start planting them earlier than plants that are more sensitive to the cold.

JanFebMarAprMayJunJulAugSepOctNovDec
Legend 
A good time to plant lavender
Possibly ok, but a risky time to plant lavender
Probably not a good time to plant lavender

The earliest that you can plant lavender in Lake Mills 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 lavender and expect a good harvest is probably September. You probably don't want to wait any later than that or else your lavender may not have a chance to really do well. Starting your lavender indoors is a great way to get them started a couple of weeks earlier.

Last Frost Date

On average the last frost when the weather gets warmer is on April 15 in Lake Mills. It might get as low as -20°F during the coldest months of winter.

Keep in mind that USDA zone info for Lake Mills is not always accurate and the actual date of last frost can change quite a bit from year to year. Since half of the time in Lake Mills you get surprised by a frost after April 15 be ready to cover your lavender in the event of a late frost.

USDA Zone Info for Lake Mills

Here is the info for USDA Zone 5a.

Average Date of Last Frost (spring)April 15
Average Date of First Frost (fall)October 15
Lowest Expected Low-20°F
Highest Expected Low-15°F

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

Plants to Grow in Lake Mills

You may be interested in your other planting guides for Lake Mills.