What Do Bearded Dragons Eat? Complete Diet Guide

What do bearded dragons eat? They eat both insects and plants. Bearded dragons are opportunistic omnivores with a large stomach built to handle a varied menu.

In the wild they take whatever is available near the ground and on low branches, from insects to leaves and flowers. That flexibility carries over into captivity, but the balance is not fixed.

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A hatchling and an adult bearded dragon need very different plates. This guide covers the insect to plant ratio by age, the staple foods for each stage, and the supplements a complete diet depends on. It also covers the water, treats, and foods to skip.

The Two Food Groups

Every bearded dragon meal comes from one of two groups. The first is live insects, which supply protein, fat, and moisture. The second is plant matter: greens, vegetables, and small amounts of fruit.

Both groups matter at every life stage. The proportion between them is what shifts as a dragon grows. Feeder insects are naturally low in calcium and high in phosphorus.

The Merck Veterinary Manual sets the target for the whole diet at a calcium to phosphorus ratio of at least 1 to 1, with 2 to 1 preferred.

Dark leafy greens work the other way. Collard, mustard, and turnip greens carry several times more calcium than phosphorus. That is one reason plant food grows more important, not less, as a dragon matures.

Insect to Plant Ratio by Age

What do bearded dragons eat at each age? Baby and juvenile dragons are growing fast, so their plates lean heavily toward insects. As they approach adulthood, plant matter takes over as the larger share.

The adult split below is the one LafeberVet and Washington State University’s veterinary hospital both publish. Juvenile figures vary more between authorities. LafeberVet describes hatchlings as eating almost entirely live prey, while North Carolina State puts juveniles at about half insects and half vegetation.

A 70 to 80 percent insect share with greens offered every day sits between those. It is what most reptile veterinarians work from.

Item counts help turn those percentages into meals. Juveniles eat what they will take in a 10 to 15 minute window.

A fast growing three month old often takes 20 to 50 small crickets a day, and fewer as growth slows. Each insect should be no wider than the space between the dragon’s eyes.

Adult feeding frequency is where care sheets look inconsistent, but the veterinary sources agree once the split is fixed. VCA Animal Hospitals feeds adults every 24 to 72 hours and LafeberVet every one to two days. Greens make up most of each meal.

In practice that means a salad most days. Add 4 to 6 adult sized roaches or 6 to 10 crickets two or three times a week.

Adjust by body condition, not by the calendar. An adult that stays plump at the tail base and hips on that routine is being fed enough. One that is gaining fat pads behind the head is getting too many insects.

Staple Insects

Dubia roaches and crickets are the most common staple feeders. VCA also lists silkworms and hornworms as regular options. Mealworms, superworms, and waxworms are high in fat or hard shell and belong in the occasional column, and pinkie mice should stay rare.

An insect’s body should never be wider than the space between your dragon’s eyes. Oversized prey has been linked to serious harm. Reported effects include partial paralysis, seizures, loss of motor control, an inability to self feed, and gut impaction.

Gut loading feeder insects before they are offered boosts the nutrition in every bite. Merck advises feeding insects a diet containing at least 8 to 10 percent calcium for 72 hours before they are fed out. Dusting insects with calcium powder, such as Zoo Med Repti Calcium without D3, is a separate step, covered below.

For a full breakdown of feeder options and how to rotate them, see the feeder insects list.

Staple Vegetables and Greens

Dark leafy greens should make up the bulk of an adult dragon’s plant matter. The staples that veterinary hospitals name are collard, mustard, turnip, and dandelion greens, plus escarole, endive, bok choy, and watercress. Chop them small and rotate three or more at each meal so no single green dominates.

Other vegetables fill the next 20 percent of the bowl. Acorn and butternut squash, bell pepper, green beans, peas, okra, and grated carrot or sweet potato are the ones NCSU and VCA list. A younger dragon should still get this salad daily, even while insects dominate its plate.

A few greens are fine in rotation but not as the daily base. Swiss chard, spinach, and beet greens are high in oxalates, which bind calcium.

Cabbage, kale, and mustard greens in excess are goitrogens that can slow the thyroid. Herbs and a few edible flowers add variety on top.

For complete, checked lists of safe options, see the pages on greens, vegetables, herbs, and edible flowers.

Fruit and Occasional Treats

Fruit is not a staple food for a bearded dragon of any age. It works best as a small, occasional treat. For an adult, fruit should stay around just a few percent of the overall plant portion.

Too much fruit adds sugar and water without the fiber and calcium a dragon needs from its main greens. Keep portions small and infrequent. See the fruits page for which options are safe and how often to offer them.

Calcium and Multivitamin Supplements

Feeder insects run low in calcium relative to phosphorus. A bearded dragon’s diet needs roughly twice as much calcium as phosphorus overall. Insects alone never deliver that balance.

Dusting closes the gap. It is the main defense against metabolic bone disease, and skipping it for a few weeks can matter for a fast growing juvenile.

The calcium column is where the authorities agree. LafeberVet dusts every hatchling meal and adults once or twice weekly.

WSU gives 4 to 5 times a week for juveniles and 1 to 2 times for adults. UC Davis is the low outlier at three times weekly for juveniles and weekly for adults.

The multivitamin column is a real disagreement. LafeberVet and WSU give a weekly vitamin or vitamin D3 dose, such as Zoo Med Reptivite, while UC Davis gives once a month.

Weekly is safe with a product made for reptiles. The risk that matters is stacking a vitamin D3 calcium powder with strong UVB and a separate multivitamin, which can push vitamin D and vitamin A toward toxic levels.

Full dosing schedules and product notes live on the supplements guide.

Water and Hydration

Bearded dragons get much of their water from fresh vegetables. Even so, a shallow water dish should stay available at all times. Some dragons also drink from light misting or from water dripped onto greens and decor.

Details on offering water safely, including what to do if your dragon will not drink from a dish, are on the water and hydration page.

Foods to Avoid

A short list of foods carries real risk. Fireflies are lethal to bearded dragons.

Avocado, rhubarb, onion, garlic, and wild mushrooms are toxic and should never be offered. Keep them out of the enclosure entirely, not just off the feeding list.

High oxalate greens such as spinach, Swiss chard, and beet greens are a softer risk. They bind calcium rather than acting as a direct toxin, so they belong in the occasional column instead of the daily bowl. Iceberg lettuce is not harmful but is mostly water and crowds out better greens.

For the full, checked list of unsafe insects, plants, and household items, see foods to avoid and household hazards.

Feeding Schedule Overview

Meal timing follows the same age based pattern as the insect to plant ratio. Juveniles eat small meals several times a day. Adults settle into a handful of insect feedings and several greens based meals each week.

Watch for changes in appetite too, not just the schedule. A dragon that stops eating outside of a normal seasonal slowdown needs attention. So does one that refuses food alongside lethargy or a swollen vent, which calls for a reptile veterinarian.

For a day by day schedule broken out by exact age, visit the feeding schedule page and the growth stages guide. General husbandry basics are covered on the main bearded dragon care sheet.

Common Feeding Mistakes

The most common mistake is keeping the juvenile ratio going too long. Feeding an adult dragon mostly insects, well past sexual maturity, pushes the diet too heavy on protein and phosphorus. That imbalance works against the calcium a mature dragon needs for strong bones.

Skipping calcium dusting is another frequent slip. It is easy to forget on a busy day, but a missed dusting here and there adds up over months. Keeping the calcium powder next to the feeder insect container helps make it a habit.

Overfeeding fruit is a smaller but common error. A few grapes or berries a week feel harmless, but daily fruit crowds out the greens a dragon should be eating instead. Treat fruit as a rare bonus, not a regular course.

Feeding oversized insects rounds out the list. It is tempting to buy whatever size is on sale, but an insect wider than the space between the eyes is a genuine safety risk at any age. When in doubt, size down.

Introducing New Foods Safely

New greens and vegetables should be added one at a time, not all at once. This makes it easier to spot a food that causes loose stool or refusal. Give a new item a few days before judging whether it agrees with your dragon.

Chop unfamiliar foods small the first time they are offered. Some dragons ignore whole leaves but readily eat the same food chopped fine and mixed with a favorite green. Persistence over a week or two often works better than giving up after one refusal.

Weight and body condition are the best long term check on any diet change. A dragon that holds a steady weight, basks normally, and keeps a good appetite is handling its current mix well. A vet visit is worthwhile if weight drops alongside any new food.

Frequently Asked Questions

What do bearded dragons eat as babies versus adults?

Hatchlings eat almost entirely insects, offered twice a day, with finely chopped greens always available. Adults flip that ratio to about 25 percent insects, 50 to 55 percent leafy greens, 20 percent other vegetables, and at most 5 percent fruit, with insects two or three times a week.

What can I feed a bearded dragon every day?

Fresh chopped greens and vegetables can be offered daily at any age. Insects should also be offered daily to juveniles, sized no wider than the space between the eyes. Adults only need insects on select days each week.

What can beardies eat besides crickets and dubia roaches?

Beardies can eat a rotating mix of leafy greens, vegetables like squash and bell pepper, some herbs, and a few edible flowers. Small amounts of fruit work as an occasional treat. See the linked pages above for full, checked lists.

How do I know if my bearded dragon’s diet is balanced?

A balanced diet matches the ratio for its age and includes calcium dusting on a regular schedule. It also rotates several greens and vegetables rather than repeating one item. A dragon with good body condition and a healthy appetite is generally being fed well.

Can bearded dragons eat too many vegetables?

Vegetables are rarely the problem on their own. The real risk comes from leaning on high oxalate greens like spinach, chard, and beet greens, which bind calcium, or on goitrogenic cabbage and kale every day. Rotating collard, mustard, turnip, and dandelion greens as the base avoids both.

Why do bearded dragons need calcium supplements if they eat plants?

Feeder insects are naturally low in calcium and high in phosphorus. That can create a deficit even when a dragon also eats calcium rich plants. Dusting insects with calcium powder before feeding closes the gap and helps prevent metabolic bone disease.