To protect gardens from cicadas, shield young trees with 1/4-inch netting, delay new plantings, and prune small twigs after swarms.
Cicadas can make a yard feel like a rock concert, but the real concern for plants isn’t the noise—it’s the egg-laying cuts that females make on pencil-thick twigs. Those slits can cause tips to droop (“flagging”) and small, newly planted trees can take the brunt. The goal here is simple: keep egg-laying adults off tender growth, keep new trees out of harm’s way, and ride out the short season with minimal fuss.
Protecting A Garden From Cicadas: Quick Strategy Map
The tactics below are tried-and-true for home landscapes. You’ll prevent most damage with physical barriers, a smart planting calendar, and some tidy pruning later. Skip blanket sprays; they don’t line up with how these insects behave above ground.
Why Netting Beats Sprays
Adults are numerous and short-lived. Sprays struggle to keep up, while a fine mesh stops them cold. Think of netting as a storm door: once it’s on, egg-laying just doesn’t happen on the covered twigs. Use it on saplings, fruit trees, and prized shrubs with lots of thin shoots.
What Really Gets Damaged
Mature shade trees shrug off cosmetic tip dieback. Small trees with twiggy, pencil-size growth are the usual victims. Veg beds, turf, and perennials rarely matter to cicadas; they’re after woody twigs for eggs.
Risk By Plant Type And Best Defense
| Plant Type | Risk Level | Best Defense |
|---|---|---|
| Newly Planted Trees (≤3 years) | High | Cover canopy with 1/4-inch mesh; postpone planting until after season |
| Young Fruit Trees (apple, peach, cherry, fig) | High | Wrap whole canopy; secure around trunk; inspect daily for gaps |
| Ornamental Shrubs With Thin Shoots | Medium | Netting where practical; selective thinning before season |
| Mature Shade Trees | Low | Skip netting; allow harmless tip drop; clean up later |
| Vegetable Beds & Herbs | Low | No special action; optional row cover if cicadas are bothersome |
| Lawns & Groundcovers | Low | Normal care; rake shells to avoid slick spots |
Timing: When To Act And For How Long
Adults pop up in late spring once soil at about 8 inches down warms to the mid-60s °F. That cue can arrive earlier in southern areas and later to the north. Plan to protect trees for four to six weeks—the window when females lay eggs.
Easy Countdown You Can Follow
- Two Weeks Before First Songs: Gather netting (1/4-inch mesh), soft ties, and pruning tools. Pre-trim any small, crossing twigs you’re willing to lose.
- First Songs In The Neighborhood: Install netting the same day. Wrap the canopy, draw it closed under the lowest branches, and tie it at the trunk.
- Peak Buzz: Inspect covers every couple of days. Tighten ties after storms and close any gaps.
- Quiet Again: Remove covers. Wait four to six weeks for eggs to hatch and twigs to show any droop. Then prune back to a healthy bud.
How To Install Mesh The Right Way
Open the pack and drape from the top down, like a veil. Overlap edges generously and use soft, wide ties that won’t cut bark. Pull the skirt snug around the trunk—cicadas crawl. If your tree is taller than your ladder reach, protect the outer, pencil-thick growth first; that’s where females target.
Planting Calendar That Avoids Trouble
If a big emergence is expected in your region this year, move new tree installs to late summer or fall. In areas with regular broods on the schedule, avoid planting tender trees for a full spring the year a brood is due. Already bought a sapling? You can heel it into a pot for the season or plant it and keep it netted until the buzz dies off.
Picking Species And Sizes That Fare Better
- Go a size up: Whips and pencil-thick leaders are prime targets. A larger caliper stem handles the season with far less fuss.
- Favor branching that’s stout: Broad, well-spaced branches with fewer thin tips give females fewer places to cut.
- Buy sturdy stakes and ties: Netting catches wind. Anchor young trees so the trunk doesn’t rock in storms.
Pruning: Clean Fixes After The Swarm
Flagging shows up as a wilted, brown tip that bends downward. It looks dramatic but sits on the outermost twigs. Let the tree rest until the eggs hatch and the twig dries. Then snip back to a side branch or bud. This tidy cut shapes the canopy and removes egg slits in one move.
How Much To Remove
On young trees, take only what’s necessary. Aim for a balanced outline and avoid heavy thinning in one spot. On large shade trees, you can skip the ladder work—the dry tips often break off naturally and the canopy fills in over summer.
Why Sprays Don’t Pull Their Weight
Blanket sprays fall short against a short season and huge numbers. Coverage lapses after rain, and re-applications stack up. Many products can also hit bees and beneficials you want in your yard. If commercial orchards choose chemical routes, they follow tight schedules and label-specific crops. That’s not practical for most homes, and it doesn’t stop egg-laying on tiny twigs already inside the canopy.
Noise, Shells, And Yard Clean-Up
The din is part of the spectacle. Indoors, close windows on the loud side of the house at peak afternoon chorus. Under trees, shells can get slick on walks—rake them into beds as free mulch. Pets may snack on them; most stay fine, but limit access if a pet has a sensitive stomach.
Watering And Basic Care During The Season
Keep young trees on a steady watering plan. A deep soak once or twice a week beats a daily sprinkle. Mulch the root zone two to three inches deep, pulled back from the trunk flare. Strong trees handle minor twig loss better, and consistent moisture helps fresh growth recover after pruning.
Row Covers For Small Edibles
While cicadas ignore lettuce and tomatoes for egg-laying, lightweight row covers can make beds calmer if flights are dense. Use hoops so leaves don’t rub the fabric, and lift covers during bloom windows when pollinators need access. In most backyards, edible plants ride out the season without any special protection.
Checklist: What To Buy And How Much
- 1–2 packs of 1/4-inch mesh netting sized to your canopy spread
- Soft garden ties or hook-and-loop tree tape
- Bypass pruners and a small folding saw
- Two stakes and broad ties for any tree that could sway under net load
- Mulch to refresh a clean, wide ring around each tree
Common Mistakes To Skip
- Waiting too long to cover: Once egg-laying starts, every day of delay means more twig cuts.
- Using baggy, large-hole fabric: Mesh larger than a quarter inch lets adults reach twigs.
- Leaving gaps at the trunk: Adults crawl. Tie the skirt snugly so they can’t slip inside.
- Heavy pruning during flights: Fresh, thin shoots invite more egg-laying. Hold the big shaping cuts for later.
Spot-Fixes For Special Cases
When A Young Fruit Tree Can’t Be Fully Covered
Target the top two feet—the thinnest, most appealing twigs—and wrap a snug sleeve of mesh around those zones. Add a second sleeve on the sunniest side where new shoots pop fastest.
Windy Sites
Use a lighter, pliable mesh that sheds gusts and more tie points to stop ballooning. Cross-lace ties like a corset under the scaffold branches so the cover keeps its shape.
Action Timeline For Homeowners
This quick calendar shows what to do before, during, and after the buzz. Adjust dates to your region’s season start.
| Timing | What To Do | Why It Helps |
|---|---|---|
| Late Winter | Lightly thin pencil-size twigs on young trees | Fewer egg-ready sites on the canopy edge |
| Two Weeks Before First Songs | Buy 1/4-inch mesh; stage ties, stakes, pruners | Supplies in hand when flights begin |
| First Songs | Wrap canopies; anchor skirts at the trunk | Blocks females from cutting twigs |
| Peak Buzz (4–6 Weeks) | Inspect covers; retie after wind or rain | Keeps barriers sealed during the rush |
| Quiet Again | Remove covers; wait for any flagging to show | Avoids trimming live wood too early |
| Four To Six Weeks Later | Prune dried tips back to healthy buds | Removes egg slits; shapes the canopy |
Mesh Specs And Sizing Tips
Pick a mesh with openings no larger than a quarter inch. That size blocks adults while letting light and air move freely. Measure the full spread of each canopy and add a few feet for overlap and ties. For thorny or irregular shrubs, cut panels and stitch them together with twist ties as you go.
Regional Notes And Soil Warm-Up Cue
Emergences roll north with spring. Watch local reports and listen for the first chorus. Once your neighborhood starts singing, that’s your green light to cover. Some gardeners track soil temps to know when to prepare; a simple probe at spade depth works.
Aftercare: Bounce-Back Practices
Once you’ve pruned, feed trees with water and good mulch, not quick fixes in a bottle. Keep the mulch ring wide and clean of weeds, and refresh it once it settles. If a small tree lost many tips, use late-season pruning to steer new growth into a strong frame for next year.
Quick Answers To The Worries People Have
Will The Cuts Kill My Tree?
Not on a healthy, established canopy. The damage sits at the twig tips. The core framework stays intact and pushes new shoots soon after.
Do I Need To Spray Just In Case?
No. A barrier stops the behavior that matters, and sprays don’t keep pace with new arrivals. Save chemicals for pests where labels and timing line up.
What If I Already Planted A Sapling?
Cover it well, stake it, and keep it watered through hot spells. If its top gets chewed up, shape it after the quiet period and coax a strong central leader.
Wrap-Up: Calm Plan, Strong Trees
Cover what’s tender, shift new plantings to later, and tidy the tips once the show is over. That simple playbook turns a noisy spectacle into a minor blip in the yard—and your trees head into summer looking sharp.
Reference guidance on mesh size and timing can be found in
NC State Extension’s periodical cicada notes
and pesticide practicality is addressed in
Purdue Extension’s cicada publication.