Stem Nurseries | How to Cut Back Wildflowers for Winter
Stem Nurseries | How to Cut Back Wildflowers for Winter
Ohio Prairie Nursery is Doing Business As OPN Seed

Native Seed Producer Since 1998

Stem Nurseries

November 21, 2019

By: Barb Holtz

Open any gardening catalog and you'll likely see this:

Bee House for cavity nesting bees

Bee houses act as nurseries for cavity nesting bees. Bee houses aren't bad, but do require maintenance to be healthy for the native bees we wish to support. Regular cleaning and sanitizing is a must or your quest to be bee-friendly will end in sick bees. In such compact living quarters, fungi and disease can spread. Again, not a bad way to go, but requires a commitment to cleanliness.

Is there another way? YES! Where did cavity nesting bees lay before human-built bee houses? One place was and still is stems. I cut back a few of the Cup Plant stems in my yard as an example.

Cup Plant

Cup Plant, Sweet Joe Pye and Ironweed provide natural cavity nesting areas for native bees.

Cut Stem of Cup Plant

The pith, or spongy center of this plant will degrade leaving a hollow center.

How to cut back Cup Plant

Stems are close, but not compact. This reduces the chance of fungi or disease spreading among nesters.

When pruning back hearty-stalked natives, consider cutting high. Leave stems 18" or so long. Winter will prepare them for spring as the soft inner pith fades away leaving behind a hollow tube ready for mason and leafcutter bees to lay.

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