06/02/2026
Now 50% off. $15 for either at Kohl’s in Valparaiso. In the southwest corner near the toys.
=======
UPDATE: JeffJan McGowan correctly pointed out that neither of these houses are very good for butterflies or bees.
Butterfly houses:
Many people buy a wooden butterfly house—the narrow box with vertical slits—and expect it to fill with butterflies. In reality, studies and observations by butterfly experts have found that these houses are rarely used by butterflies.
Why They Usually Don’t Work
Butterflies typically do not seek out small wooden structures for shelter. Instead, they prefer:
* Tree bark crevices
* Hollow trees
* Dense shrubs
* Brush piles
* Leaf litter
* Rock crevices
* Evergreen trees
Many species overwinter in natural hiding places rather than in artificial butterfly houses.
What Actually Helps Butterflies
If your goal is to attract more butterflies, these methods are far more effective:
1. Plant native nectar flowers
* Purple Coneflower
* Butterfly W**d
* Blazing Star
* Joe-Pye W**d
2. Plant host plants for caterpillars
* Milkweed for Monarch Butterfly
* Dill and parsley for swallowtails
* Native grasses for skippers
3. Leave some areas “messy”
* Leaf litter
* Fallen logs
* Brush piles
4. Avoid pesticides
* Even products marketed as “safe” can harm caterpillars and pollinators.
5. Provide puddling areas
* A shallow muddy spot with minerals can attract dozens of butterflies on warm days.
In the Indiana Dunes
Sage of the Dunes, if you’re thinking about your hikes in the Indiana Dunes, a butterfly house would be more of an educational display than a butterfly habitat. A small native pollinator garden with milkweed, coneflowers, blazing stars, asters, and goldenrods would support vastly more butterflies than a wooden butterfly house.
A Better Idea
For the cost of a butterfly house, you could buy:
* 3–5 native nectar plants
* Several milkweed plants
* A shallow birdbath-style puddling station
That combination would likely attract hundreds of butterflies over a season, whereas the butterfly house itself may never have a butterfly inside it.
So the short answer is: the traditional wooden butterfly house usually doesn’t work very well, but creating butterfly habitat absolutely does.
=======
Bee houses:
Bee houses are not inherently bad for bees, but they can become harmful if they are poorly designed or poorly maintained.
The Good News
Bee houses can help certain native solitary bees, especially:
* Blue Orchard Bee
* Mason bees (Osmia species)
* Leafcutter bees (Megachile species)
These bees do not live in hives like honey bees. A female lays eggs in individual tunnels and seals each chamber with mud, leaves, or resin.
The Problems
Researchers have found several issues when bee hotels are not managed:
1. Disease Build-Up
When dozens or hundreds of bees nest in the same structure year after year, parasites, fungi, and diseases can accumulate.
2. Parasites
Parasitic wasps and other insects often discover bee houses and attack the developing larvae.
3. Predators
Woodpeckers, ants, and other predators may learn that bee houses contain a concentrated food source.
4. Poor Designs
Many commercial bee hotels have tunnels that are:
* Too large
* Too short
* Rough inside
* Impossible to clean
These can reduce bee survival.
How to Use One Correctly
If you want a bee house:
* Use removable paper tubes or reeds.
* Replace tubes every year or two.
* Place it 3–6 feet above the ground.
* Face it south or southeast.
* Keep it dry.
* Plant native flowers nearby.
What Helps Native Bees Even More
Many native bees nest in the ground.
In the Indiana Dunes, some of the best bee habitat is simply:
* Bare sandy soil
* Native wildflowers
* Dead stems left standing through winter
* Fallen logs
* Untilled ground
A patch of sunny, undisturbed sand may support more native bees than a bee hotel.
A Forest-Bathing Perspective
On your hikes, Ron, you’ve probably walked past thousands of native bee nests without realizing it. Many solitary bees nest in sandy banks, old plant stems, and dead wood. Those natural habitats often support healthier bee populations than artificial bee hotels because the bees are spread out rather than concentrated in one location.
So the answer is:
Bee houses can be beneficial for certain native bees, but they can become harmful if they are not cleaned, maintained, or designed properly. A well-managed bee house is helpful; a neglected one can become a parasite and disease trap.
