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Bearded Dragon
Reptiles

Bearded Dragon

Pogona vitticeps

Diurnal lizard with high heat and UVB needsIntermediate

Lifespan
10-15 years
Size
16-24 in
Social needs
Solitary; house singly
Time
Medium; daily feed, UVB, cleaning
Cost
High
Diet
Omnivore (insects + greens)

Overview

What is this animal?

  • The bearded dragon, from the arid woodlands of central Australia, is a diurnal lizard that often recognises its keeper and basks openly.
  • Its boldness and expressive behaviour make it a popular pet, but its high heat and UVB demands mean it is neither cheap nor low-effort to keep well.
  • A full-grown beardie is a substantial animal needing a large, powerful setup.
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  • Many are sold to unprepared owners in enclosures that are too small with inadequate lighting, which leads to chronic illness.
  • With correct husbandry they are interactive and relatively forgiving.

Temperament

  • Bearded dragons are typically calm, confident and among the more handleable reptiles, often tolerating regular interaction.
  • They communicate with arm-waving and head-bobbing and adapt well to routine, which makes them engaging pets.
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  • They must be housed alone.
  • They are territorial and not social; cohabiting causes stress, dominance behaviour, food competition, injury and even cannibalism among juveniles.
  • Do not keep two together regardless of sex or size, even if they appear to tolerate each other at first.

A good fit for

  • Keepers wanting an interactive, handleable lizard
  • Families with reptile experience
  • Those who can fund a large, high-powered setup
  • Owners committed to a daily routine

Common mistakes to avoid

  • Undersized enclosures and weak UVB
  • Housing two or more together
  • Calcium/UVB neglect causing bone disease
  • Over-feeding fatty insects to adults

Enclosure

Minimum 17 sq ft of floor · 6 x 3 x 3 ft

Must be housed alone. Solitary; house singly

  • An adult needs a vivarium of at least 6 x 3 x 3 ft, larger if possible, with branches to climb and a strong thermal gradient.
  • Provide a basking surface of 100-108°F under a halogen heat lamp at one end and a cool end around 75-79°F, all on thermostats and timers.
  • Temperatures can fall to room temperature at night.
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  • A high-output UVB source (such as a T5 12% tube) covering roughly two-thirds of the enclosure is essential for vitamin D3 synthesis and preventing metabolic bone disease; replace tubes on schedule as output fades.
  • Use a firm naturalistic substrate or tile, provide hides and basking branches, and spot-clean daily.

Check your enclosure

Supplies

Setup

  • Enclosure, 6 x 3 x 3 ft or larger
  • Basking fixture, bulbs and dimming thermostat
  • Linear UVB fixture and T5 HO bulb
  • Digital thermometers with probes, and an infrared thermometer
  • Substrate, hides, basking rock, decor

Ongoing

  • Live dubia roaches, locusts or crickets
  • Dark leafy greens (collard, mustard, dandelion) for the daily salad
  • Plain calcium powder without D3
  • Calcium with D3 and a reptile multivitamin
  • Feeder insect gut-load and a ventilated tub
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  • Shallow salad dish and a shallow water dish
  • Blunt-tipped feeding tongs
  • Kitchen scale for tracking growth and weight

Safe substrate: Topsoil and play sand mix · Slate or unpolished stone tile · Paper towel or newspaper

Work out the cost

Care routine

Daily

  • Check the basking surface temperature
  • Check the droppings
  • Fresh greens daily, insects to plan
  • Fresh water bowl
  • Look the animal over
  • Spot-clean waste and uneaten food

Every few days

  • Short handling sessionevery 3 days
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Every few weeks

  • Weigh-inevery 2 weeks

Monthly

  • Deep-clean decor, glass and bowls
  • Test thermostats, lamps and guards

Less often

  • Refresh the substrateevery 3 months
  • Replace the UVB tubeevery 12 months

Vet: Annual exam and faecal check, every 12 months (every 6 months from 8 years old)

Tools

Is your enclosure big enough?Check your measurements against the recommended sizeWhat will it cost?Setup, monthly and over its whole life, itemisedCan it eat that?Search 37 foods, from everyday to never

Care in depth

Diet

Omnivore (insects + greens)
  • Bearded dragons are omnivores whose dietary balance shifts with age.
  • Juveniles eat mostly gut-loaded, calcium-dusted live insects such as locusts, dubia roaches and crickets, fed daily, plus finely chopped greens.
  • Adults eat predominantly leafy greens and vegetables, with insects a few times a week.
  • Offer a wide variety of dark leafy greens and avoid relying on lettuce, spinach or fruit.
  • Dust insects with calcium and a multivitamin appropriately.
  • Provide fresh water.
  • Obesity from over-feeding fatty insects and impaction are common, as is metabolic bone disease when UVB or calcium is neglected.

Health

Signs of good health, and the common problems
  • Signs of health include bright eyes, an upright stance, strong grip and a good appetite.
  • Metabolic bone disease, caused by inadequate UVB or calcium, is common and shows as tremors, soft jaw, swollen limbs or a rubbery posture.
  • Impaction, parasites (notably coccidia) and respiratory infections also occur.
  • Brumation, a winter slow-down, is natural in adults but should be distinguished from illness, ideally with veterinary input.
  • Any lethargy, weight loss or unusual lumps warrants an exotics vet.
  • Regular faecal checks and correct lighting prevent most serious problems.

Is this urgent?

4 warning signs and how fast to act, 1 of them right away

Most bearded dragon illness is a lighting or temperature problem wearing a symptom.

Go now

Tremors, twitching, a rubbery jaw, or difficulty lifting the body off the floorGo now. Note your UVB bulb type and its install date. Metabolic bone disease. A bulb still emitting visible light may have stopped emitting useful UVB months earlier.
Now

Today

Straining, or no droppings for over a week in a regularly-fed adultCall today. Check the warm-end surface temperature. Impaction, often from loose substrate plus a basking area too cool to digest properly.
Today
Black beard held for days alongside hiding and refusing foodCheck temperatures and review the enclosure, then call. A brief black beard is normal communication. A persistent one with other signs is not.
Today
Sunken eyes, skin that stays tented when gently pinchedCall today. Dehydration in an animal that mostly drinks from its food.
Today

Replace UVB on a calendar, not on appearance: a T8 or compact tube roughly every 6 months, a T5 HO roughly every 12. Visible brightness tells you nothing about UVB output.

This is general guidance for a healthy adult, not a diagnosis. An exotics vet who knows your animal always overrides it, and the time to find one is before you need one.

Bedding and substrate

3 safe, 1 with a caveat, 5 to avoid

For a desert lizard the floor should be dry on top and firm enough to hold a burrow; anything chosen to hold humidity is the wrong material.

Safe

Topsoil and play sand mixPlain topsoil with no fertiliser or perlite, mixed with play sand and, if you like, up to about a fifth clay, packed firm enough to hold a burrow. ReptiFiles suggests roughly half sand, 30% topsoil and 20% clay.
safe
Slate or unpolished stone tileEasy to clean, warms well under the basking lamp, and unpolished stone gives grip.
safe
Paper towel or newspaperFor quarantine and for sick or injured animals, not as a long-term floor.
safe

With a caveat

Loose sand alonePack it, or mix it with soil, so it holds a burrow and is not the only thing under the food.
with a caveat

Never

Wood products (cypress mulch, orchid bark, shavings) and coco fibreThey hold the humidity a desert species should not have, and pieces are swallowed with food.
never
Calcium or vitamin sandSold as digestible, which encourages eating it. Implicated in impaction.
never
Crushed nut shellSharp fragments, frequently implicated in impaction.
never
Reptile carpetSnags claws and holds bacteria in the fibres; on ReptiFiles' do-not-use list for bearded dragons.
never
Uncovered heat mats and unguarded ceramic emittersNot a substrate, but the most common cause of contact burns. Every heat source needs a thermostat, and every emitter needs a guard.
never

Impaction is far more often a temperature problem than a substrate problem: an animal that cannot reach its digestive temperature will not pass what it swallows, whatever it is standing on.

Top resources for more info

Independent creators and organisations we would send a friend to. We have no affiliation with any of them, and nothing here is sponsored. Links checked 2026-10-22.

YouTubers

Reptiles and ResearchEvidence-led husbandry: enclosure size, UVB, thermal gradients, enrichmentClint's ReptilesWhich reptile suits you, with honest care and handling verdictsGoHerpingBeginner reptile care, setup mistakes and welfare basics

Sites

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Is your enclosure big enough?

These are the smallest sizes that give good conditions, not legal minimums. More room is always better.

Minimum 17 sq ft of floor · 6 x 3 x 3 ft

Every figure, and where it comes from

This is for a typical adult, with a head-body length of up to about 8.5 in. Swiss law sizes the enclosure to the dragon, so a large one, about 24 in long with a head-body length of 10 in, needs at least 49 x 39 x 39 in.

Minimum floor area17 sq ft of continuous, unbroken floor
As dimensions6 x 3 x 3 ft
Height35 in minimum. This species climbs, so height is not optional.
CompanyMust be housed alone. Solitary; house singly
The recognised standards do not agree on this one
ReptiFiles: 6 x 2 x 2 ft as the absolute minimum for one adult, with at least 3 ft of usable height whenever possible; several of the enclosures it approves are 6 x 3 x 3 ft. The figure this site uses, as 6 x 3 x 3 ft: its length and climbing height, on one of the 35 in deep floors it approves, which Swiss law needs for a typical adult. ReptiFiles calls its own 6 x 2 x 2 ft figure a compromise, and accepts 4 x 2 x 2 ft only for adults that stay at about 18 in or less. Checked 2026-10-23.
TVT, the German veterinary association for animal welfare: 59 x 31 x 31 in for one adult, which it puts at up to 24 in long with a head-body length of 8-10 in. Its minimum, below the figure used here. Checked 2026-10-23.
Swiss Animal Protection STS: 6 x 3.3 x 3.3 ft for two. Its recommendation for an animal-friendly enclosure for a pair. The 39 in depth and height suit a large adult. Checked 2026-10-23.
Federation of British Herpetologists (FBH), code of practice on minimum enclosure sizes (2022): 6 x 3 x 3 head-body lengths of width, depth and height for one adult: 4 x 2 x 2 ft at an 8-inch head-body length. Its recommended minimum, below the figure used here. Checked 2026-10-23.
RSPCA (UK): 4 x 2 x 2 ft. Its minimum for one adult, below the figure used here. Checked 2026-10-23.
Austria, 2. Tierhaltungsverordnung (legal minimum): 11 sq ft of floor and 31 in of height for one or two adults. A legal minimum, recorded for context. Below the figure used here. Checked 2026-10-23.
Switzerland, Tierschutzverordnung (legal minimum): 5 x 4 head-body lengths of floor and 4 of height for up to two: 39 x 31 x 31 in at an 8-inch head-body length, 49 x 39 x 39 in at 10 in. A legal minimum, recorded for context. The figure used here meets it for a dragon of up to 9 in head-body length; a larger one needs more depth and height. Checked 2026-10-23.

What it really costs

Setup, monthly, first year and across a whole life, itemised and with the electricity worked out from the actual wattage. Published figures for the same animal disagree by a factor of four, so the calculator shows ranges rather than picking one.

Can a Bearded Dragon eat that?

An adult bearded dragon is mostly a herbivore. Getting the greens right matters more than the insects, and the calcium-to-phosphorus ratio is the thing to keep in your head.

The full list: 37 foods

Never (13)

AlcoholNo safe amount at any body weight on this site.
never
AvocadoPersin.
never
CaffeineCoffee, tea and energy drinks. Cardiac and neurological toxicity at tiny doses for an animal this size.
never
ChocolateTheobromine and caffeine. Small mammals and reptiles cannot clear either.
never
CitrusAcidic enough to upset the gut, and sugary. Not worth the risk.
never
FirefliesLucibufagins. A single firefly can kill an adult bearded dragon. This is the most dangerous item on this page.
never
GarlicSame allium toxicity as onion, and more concentrated by weight.
never
Iceberg lettuceNo nutritional value, and it causes loose stools. It displaces food that would have been useful.
never
LeekAllium family. Same mechanism as onion and garlic.
never
OnionOrganosulphur compounds damage red blood cells. The whole allium family is out.
never
RhubarbOxalate load high enough to cause acute kidney injury.
never
Salty or seasoned human foodSalt, oil and seasoning. Crisps, chips, seasoned leftovers and processed meat are all out.
never
Wild-caught insectsPesticides and parasites.
never

Rare treats (9)

BananaPoor calcium-to-phosphorus ratio, roughly the inverse of what a dragon needs, plus a lot of sugar. A thin slice, rarely.
rare treat
BlueberrySugar, but easy to portion. One or two, once a week.
rare treat
CucumberWater with very little in it. A slice for hydration.
rare treat
GrapesSugar. One, halved, rarely.
rare treat
SpinachOxalates bind the dietary calcium a dragon needs to avoid metabolic bone disease. This is the classic well-meaning mistake. A single small leaf, rarely if at all.
rare treat
StrawberrySugar. Half a berry, once a week.
rare treat
TomatoAcidic and poorly balanced. Never the leaves or stems. A small piece of ripe flesh, rarely.
rare treat
WatermelonSugar and water with almost nothing else in it. A small cube, rarely.
rare treat
WaxwormsVery fatty and habit-forming. One or two, rarely.
rare treat

Occasional (7)

Bell pepperSafe and low oxalate. A few pieces a few times a week.
occasional
Bok choyGood in rotation. Twice a week.
occasional
BroccoliGoitrogenic in quantity. A small floret, once a week.
occasional
CarrotUseful for vitamin A but high in sugar, and the ratio is poor. Grate it. A little grated, twice a week.
occasional
KaleGood calcium, mildly goitrogenic. Rotate rather than relying on it. Twice a week.
occasional
MealwormsHard shell, poor ratio, and dragons will hold out for them over better food. A few, alongside other feeders.
occasional
SuperwormsFatty. Fine as part of a varied feed. One or two.
occasional

Everyday foods (8)

Black soldier fly larvaeHigh calcium; the one feeder that does not strictly need dusting. Several per feed.
everyday food
Butternut squashWell tolerated and useful for vitamin A. Several times a week.
everyday food
Collard greensExcellent calcium-to-phosphorus ratio. One of the few greens that can be fed daily without a caveat. Daily, as the base of the salad.
everyday food
CricketsStandard feeder. Gut-load for 24 hours first. Sized to the eye gap.
everyday food
Dandelion greensFree, excellent ratio, and dragons eat them enthusiastically. Pick well away from sprayed ground. Daily.
everyday food
Dubia roachesThe best routine feeder: plenty of meat, a better calcium ratio than crickets (still inverse, so dust them), and they cannot climb glass. Sized no wider than the gap between the eyes.
everyday food
Mustard greensGood ratio, well taken. Daily in rotation.
everyday food
Turnip greensGood ratio. Daily in rotation.
everyday food

That food is not on our list. Bearded dragon diets get ruined by well-meaning additions. Check the species guide or ask an exotics vet before offering it.

Dust insects with calcium to the schedule in the species guide, and remember that a dragon can eat well and still develop metabolic bone disease if the UVB has expired.