Feeding

Baby Tortoise Food and Hatchling Feeding

What baby tortoises eat, how hatchling feeding differs from adults, calcium and UVB, hydration, and why fast growth is a warning rather than a success.

TortoiseFood Editorial TeamVeterinary reviewedUK-focused guidance

Hatchlings eat the same food as adults of their species. Weeds, leaves and flowers for Mediterranean tortoises, grass and softer greens for grazing species, a wider mix including fruit for forest species.

What changes is not the menu. It is the margin for error.

Damage done during growth does not reverse. A shell deformed by an over-rich diet in the first two years stays deformed for the next fifty. That is the single most important thing on this page.

What hatchlings eat

Frequency Once daily
Portion Enough to be cleared in roughly twenty minutes
Base of diet Weeds and flowers, from the start
Water Available at all times, plus regular soaking
Supplements Calcium, with UVB provision

That feeding frequency and the twenty-minute portion guide come from British Chelonia Group hatchling guidance.

Start with weeds. The commonest mistake is beginning a hatchling on supermarket salad with the intention of improving the diet later. The growth that matters most happens first.

Suitable everyday foods for a Mediterranean hatchling: plantain, sow thistle, mallow, hawkbit, bristly oxtongue, nipplewort, plus hibiscus, viola, violet, calendula and campanula. Corn salad is the one supermarket green rated for regular use.

Rotation foods: dandelion, clover, chickweed, kale, spring greens, watercress, chicory.

See best weeds for tortoises for identification.

Species differences

Hatchling advice is not universal, and this is where general care sheets cause harm.

Species group Hatchling specifics
Mediterranean Testudo Weed-based from day one. No fruit, no grass in quantity. See Hermann’s and Horsfield’s
Sulcata and leopard Jaws too weak for coarse hay. Use fresh grass and softer second or third cutting hay, with more leafy greens than an adult would get. See Sulcata
Red-footed and forest species Fruit is genuine food. Humidity requirements are high and non-negotiable. See red-footed
Indian star Grazer, but pyramids readily. Humidity matters as much as diet. See Indian star

Grazing species are the exception to “same food as adults.” A hatchling Sulcata physically cannot process the coarse hay its parents live on, so the proportions shift toward fresh grass and leafy material until the jaws develop.

How feeding differs from adults

  • No skipped days. Adults are often given one day a week without food. Hatchlings are fed daily.
  • Smaller and more often is not the answer. Once daily remains the pattern.
  • Softer material for grazers only. Mediterranean hatchlings manage weeds perfectly well.
  • Monitoring is not optional. Weigh and measure monthly, which almost nobody does with an adult.
  • Hydration matters more. Hatchlings dehydrate faster than adults, including in arid species.
  • Mistakes cost more. An adult can absorb a poor month. A hatchling records it in its shell.

Calcium and UVB

This pairing causes more permanent damage in young tortoises than anything else in husbandry.

  • Calcium must outweigh phosphorus in the diet, with UK veterinary guidance setting a minimum around 2:1. Wild forage routinely exceeds that by a wide margin.
  • Vitamin D3 is required to absorb it, and tortoises synthesise D3 from UVB rather than eating it.
  • UVB does not pass through glass. A sunny windowsill contributes nothing. Time outdoors or a proper lamp is required.
  • Growing bone raises demand. A fast-growing hatchling needs more calcium and more D3 than a static adult, which is why rapid growth and metabolic bone disease travel together.
  • A cuttlebone left in the enclosure lets the animal take what it wants.

Without adequate UVB, a well-fed hatchling still develops metabolic bone disease. Diet alone cannot fix it. See calcium and supplements.

Hydration

Baby tortoises dehydrate quickly, and this is underestimated for desert and savannah species in particular.

  • Shallow water available at all times, in a dish the animal can climb out of
  • Regular soaking, in shallow lukewarm water for fifteen to twenty minutes, two or three times a week
  • Humidity matters for growth, not just comfort. Dry conditions during early growth are strongly implicated in shell pyramiding
  • Do not rely on food for water. Watery greens are a poor substitute for drinking, and they displace the fibre a hatchling needs

See water and hydration.

Foods to avoid

Everything on the main avoid list applies, and three items deserve emphasis for hatchlings.

  • Animal protein of any kind. Dog food, cat food, meat, mealworms and boiled egg. This is the classic route to rapid growth, shell deformity, liver disease and renal damage, and the consequences are worst in a growing animal.
  • Fruit, for Mediterranean and grazing species. Sugar accelerates fermentation in a gut built to work slowly.
  • Supermarket salad as a base. Not toxic, but low in fibre and calcium, and it displaces better food during the period when nutrition matters most.

Growth and overfeeding

Fast growth looks like success. It is not.

Warning sign What it means
Wide pale bands of new growth around the scutes Growing faster than it should
Pyramiding, raised conical scutes Growth rate too fast, with several contributing causes
Soft or flexible shell Calcium or D3 shortfall. See a vet
Weight climbing steeply month on month Diet too rich or too frequent

On pyramiding, the evidence is less settled than either side of the argument claims. Low humidity during early growth is clearly implicated. Research on juvenile leopard and Sulcata tortoises found that supplemental night heat increased both growth rate and pyramiding with humidity and diet held constant. Protein restriction remains sound for reasons of renal and liver health regardless. The fuller picture is in tortoise diet.

The practical takeaways: keep humidity appropriate for the species, avoid heating through the night, keep the diet fibre-first, and treat a rapidly growing hatchling as a problem to investigate rather than a healthy animal.

Wild growth is slow. Female Horsfield’s tortoises at nine years old have been recorded at only slightly over 10cm.

When to see a vet

  • Not eating for more than a couple of days
  • Any softness or flexibility in the shell
  • Failure to gain weight over successive months
  • Lethargy or reluctance to bask
  • Swelling, discharge, or an abnormal gait

Hatchlings decline faster than adults, so the threshold for seeking advice should be lower. See tortoise not eating, and find a reptile-experienced vet before you need one.

For portions and monitoring, see how often to feed a tortoise. To check a specific food, use the tortoise food checker.

Guidance here draws on British Chelonia Group hatchling advice, the Tortoise Trust and published veterinary research, checked as described in our sources and review policy. This is husbandry information and not a substitute for veterinary care. See our veterinary disclaimer.

Last reviewed: September 2026.

TortoiseFood Editorial Team

Evidence-led UK tortoise feeding guidance produced by a multidisciplinary editorial team with veterinary review.