Last Updated: 18/03/2026
Leonberger Breed Guide
Thinking of a Leonberger? Our breed guide covers facts, health, and care.
Author: Dr Carla Paszkowski BVSc (Hons)
Reading Time: 6 minutes - short read
Often called a 'gentle lion', the Leonberger is a massive breed that was intentionally bred to resemble the lion on the town crest of Leonberg, Germany. They are incredibly patient, family-oriented, and surprisingly graceful for their size. To support their giant frames, they require tailored nutrition that manages growth rates and provides ongoing support for their joints and heart health.
All about Leonbergers
Place of origin
Germany
Weight range
41-77kg
Breed size
Giant
Height range
65-80cm
Breed group
Utility
Life expectancy
8-9 years
Coat colours
Lion-gold, Red-brown, Sand
Grooming needs
High
Coat type
Thick Double
Health issues
Bloat, hip dysplasia
Shedding factor
High
Exercise needs
Moderate
Play style
Gentle
Housing needs
Large yard/Cool
Trainability
High
Social needs
High
Family suitability
High
Tendency to bark
Low
Nutrition
Providing precise nutrition is vital for Leonbergers to support their massive skeletal structure and manage their risk of bloat. A diet specifically formulated for giant breeds ensures they receive the correct balance of minerals to prevent overly rapid growth during their formative months.
Best food for adult Leonbergers
Adult Leonbergers require a high-quality diet specifically designed for giant breeds to support their substantial weight and joint health. These formulas typically contain supplemental glucosamine, chondroitin and green-lipped mussel to help maintain cartilage and joint fluid. Given their susceptibility to bloat, it is beneficial to look for diets with highly digestible ingredients that promote optimal gut health. Large kibble sizes are also recommended to encourage chewing rather than gulping, which can help slow down the ingestion of food. Managing calorie intake is critical for this breed, as excess weight places unnecessary strain on their joints and can exacerbate existing orthopaedic conditions.
What to look for
Large kibble size to encourage thorough chewing and slower eating.
High-quality, easily digestible proteins to maintain lean muscle mass.
Added glucosamine and chondroitin to support giant breed joint health.
Best food for Leonberger puppies
Leonberger puppies grow at an incredible rate, making the transition from weaning to adulthood a critical nutritional window. It is essential to feed a puppy formula specifically labelled for giant breeds to ensure the calcium and phosphorus levels are strictly controlled. If these puppies grow too quickly, it significantly increases the risk of developing developmental orthopedic diseases such as hip dysplasia. A balanced ratio of energy and nutrients supports a steady, healthy growth curve rather than a rapid spike in size. These formulas also usually include DHA, an omega fatty acid that supports healthy brain and vision development during this rapid growth phase.
What to look for
Controlled calcium and phosphorus levels to prevent rapid, uneven bone growth.
Optimised energy density to support a steady and healthy growth rate.
Enrichment with DHA to support cognitive and visual development.
Flea & worming
Consistent flea, tick, and worming prevention is a cornerstone of health care for Leonbergers to protect them from debilitating parasites. Due to their large size and thick double coats, infestations can be difficult to detect and treat once they take hold.
Best flea and worming treatments for Leonbergers
When selecting parasite protection for Leonbergers, it is crucial to ensure the product is appropriately dosed for their giant weight range. Many standard large-breed treatments may not provide adequate coverage for a dog that can weigh up to 77kg. Oral chews are often preferred for this breed for ease of administration. Look for "all-in-one" style preventatives that cover heartworm, intestinal worms, and external parasites like fleas and ticks. Regular administration is the most effective way to prevent heartworm disease and the discomfort of flea allergy dermatitis.
What to look for
Oral formulations that ensure full absorption regardless of coat thickness.
Broad-spectrum protection covering heartworm, intestinal worms, fleas, and ticks.
Accurate dosing specifically formulated for giant breeds over 40kg.
Health
Using targeted health products is essential for Leonbergers to manage their predisposition to joint issues and maintain their overall wellbeing. Proactive care can significantly improve the quality of life for these giant companions as they age.
Products to keep Leonbergers healthy
Given the high incidence of hip dysplasia in the breed, joint supplements are among the most important health products for a Leonberger owner to consider. Products containing green-lipped mussel, omega-3 fatty acids, and MSM can help reduce inflammation and support joint mobility from a young age.
Additionally, because of their deep chests and risk of bloat, slow-feeder bowls are highly recommended health accessories to prevent rapid air ingestion during meals. Maintaining dental health is also vital, so using giant-sized dental chews, toothbrushes and toothpastes and water additives can help manage plaque and tartar buildup. These preventative health tools work together to support a longer, more comfortable life for the breed.
What to look for
Joint support ingredients like omega-3s and green-lipped mussel.
Slow-feeding accessories to reduce the risk of air ingestion and bloat.
Giant-sized dental care products to maintain oral hygiene.
Training and activity
Selecting the right toys and walking accessories is vital for Leonbergers to provide mental stimulation and safe physical exercise. Their large size means that all equipment must be exceptionally durable and appropriately scaled.
Best toys for Leonbergers
Leonbergers generally have a gentle play style, but their sheer size and jaw strength mean they need toys that are "giant-proof." Interactive puzzles and treat-dispensing toys are excellent for providing mental enrichment, which is just as important as physical exercise for this intelligent breed. Soft, plush toys are often enjoyed for carrying around or gentle mouthing, provided they are constructed with reinforced seams. Avoid very small toys that could pose a choking hazard for a dog of this stature. Engaging their mind through forage-based play can help keep them settled and satisfied within the home.
What to look for
Giant-sized toys that do not pose a choking hazard.
Durable construction materials designed for powerful jaw pressure.
Interactive designs that provide mental stimulation and environmental enrichment.
Best walking accessories for Leonbergers
A heavy-duty, multi-point adjustment harness is the best walking accessory for a Leonberger to ensure comfort and control. Because of their massive weight, a standard collar may place too much pressure on the neck if they decide to pull. A front-attaching harness can be particularly helpful for managing such a large dog during lead training. Leads should be made of thick, high-quality material with reinforced clips that can withstand the force of a giant breed. Proper walking equipment ensures that exercise is a safe and enjoyable experience for both the dog and the owner.
What to look for
High-tensile strength leads with reinforced, secure metal clips.
Front-clip attachment options to help manage pulling during walks.
Heavy-duty harnesses with multiple adjustment points for a secure fit.
Grooming
Choosing the correct grooming products is essential for Leonbergers to manage their heavy shedding and maintain the health of their thick double coat. Regular maintenance prevents matting and helps regulate their body temperature.
Best grooming products for Leonbergers
Leonbergers have a thick, water-resistant double coat that requires significant upkeep, especially during their twice-yearly heavy shedding periods. An undercoat rake is an indispensable tool for removing trapped dead hair from the dense inner layer before it mats. A high-quality slicker brush is also necessary for daily maintenance of the longer outer guard hairs. Because they can be prone to "hot spots" if the coat remains damp, a high-velocity pet dryer can be a beneficial investment for drying their dense fur after bathing. Keeping the hair between their paw pads trimmed is also important to maintain traction on slippery indoor floors.
What to look for
Undercoat rakes specifically designed for removing dead hair from thick double coats.
Large slicker brushes to manage the long outer coat and prevent mats.
Detangling sprays to make brushing more comfortable and reduce hair breakage.
Sleep and home
Selecting the right sleep and home products is vital for Leonbergers to provide the orthopaedic support their giant frames require. A supportive environment helps protect their joints and ensures they have a cool place to rest.
Best beds for Leonbergers
Leonbergers require an extra-large, orthopaedic dog bed that provides thick, high-density memory foam support. Standard beds often compress under their significant weight, leaving their joints resting against the hard floor, which can lead to callouses and joint pain. Since this breed is sensitive to heat, beds with cooling gel inserts or breathable covers are highly recommended to help them stay comfortable in Australian climates. The bed should be large enough for them to stretch out fully without hanging off the edges. Providing a dedicated, supportive resting place is one of the best ways to support the long-term skeletal health of a giant breed.
What to look for
High-density memory foam for superior orthopedic joint support.
Extra-large dimensions to accommodate the full length of a giant breed.
Cooling features or breathable fabrics to prevent overheating.