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Naturalist Field Guides · Live Database

Greek Tortoise Care Sheet

Practical, crew-tested dog & cat nutrition guides plus reptile, small animal, and Oregon bioactive habitat care sheets from Critter Cabana, updated live from our store database.

Critter Cabana Field Guide • Mediterranean Hermann's Tortoises

Greek Tortoise

Testudo graeca

The Quick Version: Want a tortoise that won't bulldoze your drywall like a 100-pound Sulcata? Hermann's Tortoises stay a super manageable 6 to 8 inches full-grown, have bold black-and-gold shells, and march right up to greet the person bringing the dandelion greens!
Greek Tortoise naturalist illustration
Lifespan 50+ years
Adult Size 5 to 8 inches
Enclosure 4x2x2 Enclosure / Tortoise Table
Warm / Room Temp Basking 90-95°F / Cool 75-80°F
Cool Side 70°–75°F
Humidity / Water 40-60% (With a humid hide)

1. Wide Walking Space, Strong UVB & Damp Digging Dirt

Floor Space Beats Height Every Time • Block Clear Glass at Eye Level!
1. SOLAR BASKING SLATE & T5 UVB 95–100°F Surface • Smooth Shell Growth 2. LOG HIDE & SLATE SALAD TILE Rough Slate Naturally Trims Beak 3. FLUSH SHALLOW SOAKING DISH 70–75°F Cool Side • Easy Entry/Exit 4–5" MOISTURE-RETAINING SOIL & CYPRESS SUBSTRATE (50–65% RH) + OPAQUE LOWER WALLS
Basking Slate Surface Flat rock right under your flood lamp + UVB bar
95°–100°F
Warm Side Air Temp Sunny Mediterranean meadow warmth
80°–86°F
Damp Lower Soil Moist dirt underneath (50–65% RH) keeps shells smooth!
50–65% RH
Cool Grazing Side With a shallow soaking dish sunk flush into the dirt
70°–75°F
Nighttime Temp Drop Lights off at night; cool drop down to 62–70°F is great!
62°–70°F

2. Two Great Ways to Set Up Your Habitat

Every Supply Stocked Here at Critter Cabana

Enclosure: Wide Glass Tank Setup vs. Summer Garden Pen

Tortoises are marathon walkers—and if they can see through clear glass, they'll bonk their nose trying to walk through it all day:

Option A

Option A: 40-Gal Breeder, 50-Gal Low-Boy, or 36"×18" Terrarium (Our Top Pick)

Wide floor space gives them room to roam! Just tape a 5-inch strip of dark paper around the outside bottom rim so they don't pace the glass.

Option B

Option B: Predator-Proof Outdoor Summer Pen

On sunny Oregon/Washington summer days (70–85°F), a wire-topped garden pen with pesticide-free dandelions and shade bushes is paradise!

Bedding: Why We Ditch Bone-Dry Pellets!

Old books used to recommend dry rabbit pellets or sand—we now know bone-dry bedding is what causes bumpy 'pyramided' shells!

Option A

Option A: Reptisoil + Forest Floor Cypress / ReptiBark (4–5" Deep)

Holds gentle moisture underneath for burrowing while giving firm traction; you can even seed Powder Orange/Blue or Giant Canyon Isopods + Springtails under the water dish!

Option B

Option B: Reptisoil + Eco Earth + Flat Slate Dinner Tile

Always serve greens on a rough flat piece of slate rock—scraping salad off stone files their beak down naturally so it never overgrows!

Sunbeam Lighting: Linear T5 HO UVB + Basking Flood Bulb

Tortoises need real, high-output UVB to build smooth, rock-hard shells:

Option A

Option A: Linear T5 HO 12% Desert UVB Bar + Basking Flood Bulb (Best!)

Covers a wide basking zone so their whole shell warms up under strong UV rays at once. Write the install date on the bulb base with a Sharpie and replace UVB every 6–12 months!

Option B

Option B: Overlapping Heat & UV Over a Flat Basking Stone

Hang your basking dome and T5 UVB hood side-by-side 10–12" above a flat rock on the warm end of the tank.

3. The 100% Weed & Leafy Green Menu

Big No-No for Mediterranean Tortoises: Zero Fruit, Zero Dog Food, Zero Iceberg!
85% Daily Greens Every Morning
Shell-Sized Pile of Dark Weeds & Greens: Dandelion greens & yellow flowers, collard, mustard, turnip greens, endive, escarole, plantain weed, clover, and hibiscus leaves.
15% Fiber Boost 2–3× Per Week
Soaked Grassland Tortoise Pellets & Flower Toppers: Soak high-fiber grassland pellets in warm water and mash them into their greens.
0% Sugar / Fruit Strictly Avoid!
Why No Fruit for Hermann's? Unlike tropical Red-Foots, Mediterranean tortoises can't digest sugary strawberries or bananas—fruit ferments in their gut and causes parasite blooms!

Greens, Pellets & Toppers We Love:

Daily Staple Weeds/Greens

Dandelion, collard, mustard, turnip, endive

Grassland Tortoise Chow

Soaked timothy-hay & herbal fiber pellets

Dried Flower Toppers

Hibiscus, dandelion & rose petals (they go crazy for red/yellow!)

Cuttlebone in the Pen

Leave a whole white cuttlebone in the tank 24/7

Calcium Sprinkle & Beak Trim: Lightly dust their morning greens 3× a week with Pure Calcium (no D3) and once a week with a herbivore multivitamin. Feeding on a flat rough rock trims their beak for you!

4. Four Keys to a Happy, Thriving Greek Tortoise

Crew-Tested Husbandry Habits
01

Warm Tub Soaks 2–3×/Week

Soak your tortoise in chin-deep warm water (85–88°F) in a dishpan for 15 minutes 2–3× a week. Don't panic when they pass toothpastey white 'urates' in the bath—that's normal tortoise pee!

02

Block Eye-Level Glass

If your tortoise is pacing one wall non-stop, tape a 5" strip of construction paper or vinyl around the bottom outside rim of the glass so they know where the wall stops.

03

Flip-Over Check

Tortoises love climbing everything! Sink their water dish flush with the dirt and keep steep log hides away from the direct center under the heat bulb so they can never flip upside-down under a hot lamp.

04

One Tortoise Per Table

Tortoises look peaceful, but two tortoises in one box will ram and bite each other's legs over territory. They are way happier living solo!

Bring-Home Shopping Checklist

Tap items to check them off on your phone while you shop at Critter Cabana.

Wide Tank & Digging Dirt

Sunbeam Heat & Strong UVB

Weeds, Pellets & Calcium

Complete Reference Notes & Oregon Keeping Guide

Live from Store Care Database
Species: Testudo graeca | Difficulty: 2/5 — Easy | Hardiness: 4/5 — Hardy

Critter Cabana & Gresham Pet Supply — Keeping Your Pet Healthy & Thriving

At a Glance

Common NameGreek Tortoise, Spur-thighed Tortoise
SpeciesTestudo graeca
OriginNorth Africa, Southern Europe, Southwest Asia
Adult Size5 to 8 inches (A very small species!)
Lifespan50+ years
Diet TypeStrict Herbivore (Weeds, leafy greens, grasses)
ActivityDiurnal (Active during the day)
TemperamentVery friendly, inquisitive, and responsive to their owners.
HandleabilityGreat. They are very tolerant of human interaction, though they prefer not to be dangled in the air.
Difficulty2/5 — Easy (Excellent beginner tortoise if properly set up with UVB)
Hardiness4/5 — Hardy (Tolerates varied climates well)
Why We Love Them: Greek Tortoises are closely related to Russian and Hermann’s Tortoises. They stay extremely small (usually maxing out at a mere 6-8 inches), making them one of the few tortoise species that can be reasonably housed indoors their entire life. They are highly interactive and will learn to rush over to you for food!

Housing & Enclosure

Enclosure Type & Size

  • Type: Terrestrial.
  • Minimum for Adults: A 4ft x 2ft enclosure or "Tortoise Table." Even though they are small, tortoises walk for miles a day in the wild. They need space to roam.
  • Enclosure Walls: Avoid clear glass at the tortoise's eye level. Tortoises do not understand glass and will endlessly pace and scrape against it trying to walk "through" the invisible barrier. If using a glass tank, tape a background around the bottom 6 inches.

Substrate

  • Recommended: A deep 50/50 mix of organic topsoil and coconut fiber (Eco Earth), or cypress mulch (Forest Floor).
  • Depth: 3 to 4 inches deep. They love to dig and bury themselves to sleep.
  • Avoid: Sand (impaction risk) and rabbit pellets.

Décor & Enrichment

  • Hides: Provide at least two hides (a warm hide and a cool hide). Half-logs or cork flats work perfectly.
  • Terrain: Add flat slate rocks to their enclosure. Walking on rocks naturally files down their sharp toenails so you don't have to clip them!

Heating & Lighting

Temperature Requirements

ZoneTemperature
Basking Spot90–95°F (32–35°C)
Warm Ambient80–85°F (26–29°C)
Cool End75–80°F (24–26°C)
Nighttime Drop65–70°F (18–21°C)
  • Heating: Use an overhead incandescent or halogen basking bulb. Under-tank heat mats are practically useless for tortoises because their thick shell blocks the heat from reaching their organs.

Lighting & UVB (CRITICAL)

  • UVB is 100% Mandatory. A tortoise without UVB will develop Metabolic Bone Disease (MBD). Their shell will grow soft, deformed, and eventually they will die.
  • Recommended: A T5 high-output linear UVB bulb (like the Arcadia 12% Desert or Zoo Med ReptiSun 10.0) mounted overhead.

Humidity & Water

  • Target Range: 40% to 60%.
  • The Humid Hide: Tortoises need humidity while they sleep to prevent their shell from growing incorrectly (pyramiding). Provide a "humid hide" filled with slightly damp sphagnum moss on the warm end of the enclosure.
  • Soaking: Soaking your tortoise in warm, shallow water (up to their chin) for 15-20 minutes once or twice a week is highly recommended. It encourages them to drink and to pass waste.

Diet & Nutrition

Greek Tortoises are strict herbivores. Do not feed animal protein.

The Leafy Green Diet

Their diet should consist of high-fiber, low-sugar greens and weeds.

  • Staples (Feed Daily): Dandelion greens, endive, escarole, turnip greens, mustard greens, collard greens, and safe weeds like clover or plantain.
  • Treats (Sparingly): Carrots, squash, hibiscus flowers.
  • Fruit: Limit fruit to less than 5% of their diet (once a month). They lack the gut bacteria to digest large amounts of sugar, which can cause severe diarrhea.
  • Avoid: Spinach (binds calcium), iceberg lettuce, and dog/cat food.

Supplements

  • Calcium: Dust their greens with pure calcium powder (without D3) 2-3 times a week.
  • Multivitamin: Dust with a reptile multivitamin once a week to prevent Vitamin A deficiency.
  • Cuttlebone: Leave a whole cuttlebone in their enclosure. They will chew on it when they crave calcium, which also helps file their beak!

What We Stock & Use in Our Stores

These are products we carry and recommend for this species. Ask any associate for help finding them in-store.
CategoryProductNotes
LightingArcadia T5 12% Desert UVB KitThe absolute gold standard for tortoise UVB
SubstrateZoo Med Forest FloorCypress mulch holds humidity without molding
SupplementsZoo Med Repti Calcium (Without D3)Required to build a strong, healthy shell
EnrichmentFluker's CuttleboneA natural calcium block they can chew on

Care sheet compiled by Critter Cabana & Gresham Pet Supply. For questions, ask any livestock specialist in-store.

Last updated: 2026-08-04

How We Keep Them at Critter Cabana & Gresham Pet Supply

  • Beating Dry Oregon Furnace Air (and Summer Heat Spikes): Across the Willamette Valley and Portland Metro, running the house furnace all winter drops indoor humidity to 25–35%, which quickly causes stuck sheds and dehydration in screen-top tanks. To hold 40-60% (With a humid hide) reliably for Greek Tortoise, our crew uses a deep 3–5" substrate bed (or our store-shelf 10-Part Bioactive Mix of ReptiSoil, Coco Fiber, Orchiata Bark, Sphagnum Moss, and Leaf Litter), a dedicated humid hide packed with damp sphagnum moss, and partial screen cover when needed.
  • Thermostat & Linear UVB Standard: Every heating element in our Newberg and Gresham reptile rooms runs on a thermostat probe set to Basking 90-95°F / Cool 75-80°F on the warm side with a comfortable room temperature cool retreat, paired with true on a 12-hour day/night timer. In summer, if an upstairs room climbs above 82°F, a dimming thermostat automatically backs down the basking lamp so the cool side never overheats.
  • Stocked at Newberg & Gresham: We stock reptile enclosures, thermostats, Arcadia & Zoo Med UVB lighting, bioactive substrate ingredients, live Springtails, Dwarf White, Powder Blue/Orange, Dairy Cow, and Giant Canyon isopods, and gut-loaded crickets, dubia roaches, hornworms, and frozen-thawed rodents at Critter Cabana (Newberg) and Gresham Pet Supply.

Common Questions (FAQ)

What size tank does an adult Greek Tortoise actually need?

An adult Greek Tortoise needs at least 4x2x2 Enclosure / Tortoise Table so you can maintain a true thermal gradient from Basking 90-95°F / Cool 75-80°F on the warm/basking side down to comfortable room temperature on the cool side.

How do I keep Greek Tortoise humidity at 40-60% (With a humid hide) during dry Oregon winters?

Oregon winter furnace heat dries out thin bedding fast. Use a 3–5 inch moisture-retaining substrate mix (such as Zoo Med ReptiSoil blended with coco fiber, Orchiata bark, and sphagnum moss), provide an enclosed humid hide, and cover 50–70% of an open screen top with HVAC foil tape or a PVC panel if ambient humidity drops too low.

What is the best bioactive clean-up crew for a Greek Tortoise?

Pair Temperate White Springtails with a humidity-matched isopod species (such as Powder Blue/Orange for semi-arid setups or Dwarf White / Dairy Cow isopods for humid forest setups) in a 3–5 inch bioactive soil and leaf-litter bed. You can pick up our 1-Page or Tri-Fold Bioactive Substrate Recipe Guide and live cultures at Critter Cabana (Newberg) or Gresham Pet Supply.

Where can I get Greek Tortoise setup supplies, live feeders, and thermostats in Oregon?

We stock our full reptile, amphibian, and bioactive setup supplies—including enclosures, thermostats, Arcadia and Zoo Med UVB lighting, bioactive substrates, live isopods/springtails, and live or frozen feeders—at Critter Cabana in Newberg (514 E First St, 503-537-2887) and Gresham Pet Supply (2185 NW Burnside Rd, 503-665-7606).

Questions about your Greek Tortoise setup?

Our crew at Critter Cabana is happy to help you test water, pick the right thermostat and lighting, or mix a custom bioactive substrate. Call us at (503) 537-2570.

Our sister stores

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