02/18/2026
I have been sharing a bunch of posts about keeping your yard messy. I know its hard in the suburbs where everyone does lawn care but we have been sold an illusion. Lawns are deserts and usually compacted almost to the point of being concrete. No rain infiltration and no habitates for our birds and insects. When I lived in Mundelein I had a beautiful natural garden but I was constantly being red tagged for my "weeds". Which happened to be ginger, trilliums, mayapples. It was a joke. These plants if you buy them at the nursery cost an absolute fortune. Drove by that house a couple of weeks ago and every tree, ground cover, rock and plant were replaced by lawn. It broke my heart.
DON’T CUT THE STEMS YET.
You are standing in your garden with a pair of pruning shears, looking at the "dead" brown stalks of last year's Joe Pye W**d, Elderberry, or Raspberry canes.
Your instinct is to cut them to the ground to "tidy up" for spring.
Put the shears down.
Those stalks aren't trash. They are high-density housing.
If you clear-cut your garden in February, you are effectively erasing the spring generation of pollinators before they even have a chance to hatch.
The Myth of the "Clean Slate"
We are culturally conditioned to believe that a healthy garden is a "clean" garden—flat, brown earth ready for new growth.
The Biological Reality: Approximately 30% of North America’s native bee species are stem-nesters (cavity nesters). They do not live in hives. They live inside the soft, pithy centers of dried flower stalks.
Right now, inside those "ugly" gray sticks, mother bees have laid rows of eggs separated by thin walls of mud or leaves. The larvae are currently sleeping (in diapause), waiting for the warmth of May. If you compost the stem, you compost the bee.
The Scientific Reality: The Vertical Nursery
Why are these stems critical?
The Architecture: Bees like the Small Carpenter Bee (Ceratina) and Leafcutter Bee (Megachile) require specific structural integrity. They need a stem that is dead (dry) but standing (vertical) to prevent rot.
The "Pith" Factor: They target plants with soft centers—like Cane fruits, Echinacea, Goldenrod, and Bee Balm. The female excavates the soft pith to create a tunnel, depositing pollen and eggs in a linear series.
What is Happening Right Now (February)
While you see a dead stick, the interior is biologically active.
Community Insight 1 (The "Rot" Mistake): As a gardener in our network recently commented: "I broke open a stem and saw what looked like sawdust, so I threw it away thinking it was termites."
That "sawdust" was likely biological evidence. Carpenter bees create distinct texture when excavating. That debris was the sign of a successful nest construction, not a pest infestation.
Community Insight 2 (The "Empty" Look): Another observer noted: "I left stems last year but never saw bees go in or out."
This is because stem-nesting bees are often minute. Species like Hylaeus (Yellow-faced Bees) are tiny, black, and hairless—looking more like gnats than bees. You won't see them unless you watch the stem tip for hours. They are invisible tenants, but they are there.
Why This Matters Ecologically
Stem-nesting bees are often the "specialist" pollinators.
Unlike the generalist Honeybee (which is non-native livestock), these native solitary bees are often synchronized with specific native blooms.
By cutting stems to the ground in February, you sever the link between the pollinator and the spring ephemeral flowers that rely on them.
Practical Action: The "Chop and Drop" (But High)
You don't have to leave a jungle, but you must modify your cut.
According to the Xerces Society for Invertebrate Conservation:
The Height: When you do your spring cleanup (wait until temperatures are consistently above 50°F/10°C), do not cut to the ground. Leave stubble that is 8 to 24 inches (20–60 cm) high.
The Target: Focus on "pithy" plants: Elderberry, Raspberry, Blackberry, Sumac, Joe Pye W**d, Ironweed, and Goldenrod.
The Cycle: New growth will quickly hide the ugly stubble in April. Meanwhile, the old stems will serve as nests for this summer's bees, who will emerge next spring. It is a multi-year cycle.
The Verdict
A messy garden is a living nursery.
Those dead stalks are full of sleeping life.
Leave the stems. Cut later (and higher).
Scientific References & Evidence
Nesting Biology: The Xerces Society. "Nesting Resources." (identifies that 30% of native bees are wood/tunnel nesters).
Management Guidelines: Mader, E., et al. (2011). Attracting Native Pollinators. (Recommends the 8–24 inch pruning height to create nest sites).
Stem Selection: Urban, J. R., et al. (2010). (Studies showing preference for vertical, pithy stems in Ceratina and Megachile species).
