How to Attract Ladybugs for Your Garden’s Best Natural Pest Control
Almost everyone loves a ladybug. Glowing, shiny shells and cute little marches across our fingertips make these garden guests the most welcome insects around.
But what many people don't know is that, lurking beneath that cute exterior, is a deadly backyard hunter. To pests such as aphids, a ladybug is anything but cute
If you grow flowers, herbs, or vegetables, and want to keep bugs from ruining your crop without harsh chemicals, ladybugs are your best allies. Here is all the information you need to know about their work, what their strange young look like, and how you can get them to set up shop in your yard for free.
An Endless Pest Feast
Aphids are the scourge of all the garden. Tiny green, black, or peach insects that swarm over tender stems, stealing the sweet sap straight from the leaves, leaving leaves curled, gummy, and yellow.
Ladybugs are here to save the day. An adult ladybug can eat 50 aphids in a single day. A single beetle can eat more than 5,000 pests in its lifetime!
And that's not all; they can suck up:
- Spider mites (tiny pests that weave dusty webs in leaves)
- Whiteflies (clouds of powdery white gnats under tomato leaves)
- Mealybugs and scale (sticky, cotton-like clumps on stems)
- Pest eggs laid by hungry caterpillars
When pests become scarce, the ladybugs sip small amounts of nectar from flowers to keep up their energy while patrolling your garden beds.
Don't Crush the "Alligators"!
Lots of gardeners who know this information end up killing ladybugs by accident, since they don't know what baby ladybugs look like. Like butterflies, ladybugs go through dramatically different body forms as they grow up:
Eggs: Small, bright yellow or orange footballs stuck upright in clumps along the underside of leaves
The Larva (The Baby): This is the phase that people confuse with a monster. It is long, lumpy, and dark grey or black, marked with bright orange or red spots. It resembles a tiny spiked alligator. If you see this creature, don't worry about it being a bug. A young ladybug can eat more aphids than a full-grown one.
The Pupa (The Cocoon): After it has grown up, it attaches itself to a leaf and hardens into an orange and black shell in order to transform.
The Adult: The familiar round, spotted beetle appears, ready to hunt and start the cycle again.
Why You Shouldn't Buy Bags of Ladybugs
Go online, and you will see no shortage of companies ready to bring you a mesh bag or plastic tub full of hundreds of live ladybugs. It seems like a simple thing: open the bag and empty them over your roses, and let them work their magic.
In fact, buying ladybugs scarcely pays off
They take off right away. These insects are usually bought in mountain forests where they hibernate. Once they are awakened in your warm yard, their built-in instincts will lead them to fly miles away. More than 90% of them will leave your garden within two days.
They show up worn out and parched. After spending time in a refrigerator and being transported in a dark box, many of them show up weak or dead.
They can spread diseases. Insects caught in the wild often have parasitic stowaways that can harm the healthy, native insects already in your area.
The real trick is creating an inviting environment so that local ladybugs will settle in on their own.
How to Draw in Local Ladybugs (and Keep Them Around)
Ladybugs will come to you if you make a habitat they find comfortable. All you need are four simple changes:
1. Plant Flat, Shallow Flowers
Ladybugs have small chewing jaws, unlike butterflies with their long tongues. They can only drink nectar from blooms that are shallow and flat. Grow herbs like Coriander / Cilantro, Saunf (Fennel), Ajwain (Bishop’s Weed / Carom), Genda (Marigold), Mustard (Sesame), Tulsi (Holy Basil), and parsley; let a few stalks bloom. Sweet alyssum, chamomile, and cosmos are a few other flowers that attract ladybugs.
2. Set Up a Bug Birdbath
Insects can get thirsty, especially on a hot summer day. Fill a shallow plant saucer with pebbles or marbles. Add just enough water for the rocks to protrude. The rocks will give ladybugs a secure place to land and take a sip without falling in and drowning.
3. Leave a "Messy" Corner for Winter
Grown ladybugs look for places where they can take shelter during the winter. If you strip your garden down to bare soil every fall, they will have no place to take shelter. Keep a small patch of fallen leaves, dried ornamental grass, or a stack of twigs in a quiet part of your yard.
4. Set Aside the Bug Sprays
Chemical sprays can't differentiate a harmful insect from a helpful one. Broad-spectrum sprays will destroy your ladybug allies along with the aphids. Even natural options like neem oil or strong soaps may harm ladybug eggs and larvae.
The Golden Rule: Put up with a Few Bad Bugs
Patience is the most difficult part of organic gardening. When the first ten or twenty aphids show up on your roses in spring, fight the urge to panic.
With no food, ladybugs have no reason to pop by. Let those first few aphids be for a few days. The sight of the aphids will bring ladybugs in to know that lunch is served. Once they arrive, get comfortable and lay their eggs; nature takes care of the rest.
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