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When Do Rabbits Stop Growing?

Do you want to know when rabbits stop growing?

Understanding your rabbit’s growth rate and size is important in providing them with the proper care, diet, and living conditions.

In this article, we will discuss the rabbit growth stages, factors affecting their growth, and ways to ensure their proper development.

When Do Rabbits Stop Growing?

Rabbits are small mammals that start life incredibly small but grow rapidly during their first few months.

The age at which rabbits stop growing varies depending on their breed.

On average, rabbits reach their full adult size at around 6 to 9 months for smaller breeds like Netherland Dwarfs and Mini Lops.

Larger breeds, like the Flemish Giant, may continue to grow until they’re 1.5 to 2 years old.

While they may reach their full size, rabbits continue to develop internally, particularly their bone structure and organs, until they’re around two years old.

Here’s a table showing the average age at which different rabbit breeds typically stop growing.

Keep in mind that exact ages can vary somewhat based on several factors.

Breed of Rabbit Average Age They Stop Growing
Mini Lop 6-9 months
Holland Lop 6-9 months
Dwarf Hotot 6-9 months
Netherland Dwarf 6-9 months
Lionhead 6-9 months
Polish 6-9 months
American Fuzzy Lop 6-9 months
English Angora 6-12 months
French Angora 6-12 months
Satin Angora 6-12 months
English Lop 9-12 months
French Lop 9-12 months
Flemish Giant 1.5-2 years
New Zealand 9-12 months
Rex 9-12 months
Californian 9-12 months

Average Sexual Maturity Age

For general size categories.

Size Category Female Average Sexual Maturity Male Average Sexual Maturity
Small/Dwarf 4-5 months 6-7 months
Medium 5-6 months 7-8 months
Giant 6-8 months 8-10 months

Factors Affecting Rabbit Growth

Several factors contribute to the growth rate and final size of a rabbit. Let’s explore them below:

1. Breed:
Rabbit breeds significantly influence the size they reach as an adult. Dwarf breeds like the Polish rabbit will be fully grown at 2-3 pounds, whereas larger breeds like the Flemish Giant can reach 20 pounds or more.

2. Genetics:
A rabbit’s genetics play a significant role in determining its growth. Rabbits born to larger parents tend to grow larger, and vice versa.

3. Diet:
A well-balanced diet is crucial for proper growth. Rabbits fed an improper diet might experience stunted growth or health issues.

4. Environment:
Stressful environments can negatively impact a rabbit’s growth. A safe, clean, and spacious living environment is vital for their development.

Average Growth Rate of Rabbits

The average growth rate of rabbits can vary based on breed, diet, and health.

However, for most rabbits, significant growth occurs in the first six months of life.

They can grow rapidly during this time, and their weight can double or even triple.

By the time they are six months old, they have usually reached about 70-80% of their adult weight.

How to Ensure Proper Growth of Your Rabbit

Rabbit owners can take several steps to ensure their pets grow to their full potential.

1. Feeding

Rabbits require a balanced diet to grow properly. Fresh hay should comprise most of their diet, supplemented by fresh vegetables, pellets, and water.

Baby rabbits need alfalfa hay, which is high in calcium and proteins. Adult rabbits, on the other hand, should be given timothy, grass, or oat hays.

Avoid overfeeding, as obesity can lead to numerous health issues in rabbits.

2. Exercise

Regular exercise is crucial for the physical and mental health of your rabbit. Exercise ensures that they maintain a healthy weight and promotes the normal growth of their bones and muscles.

Provide your rabbit plenty of space to hop around and toys to keep them stimulated and active.

3. Healthcare

Routine veterinary check-ups are essential to monitor your rabbit’s growth and catch any potential health issues early.

Regular vaccinations, dental checks, and deworming are vital aspects of rabbit healthcare.

Stages Of Rabbit Life Cycle?

  • 1. Baby Stage: This begins at birth and lasts until about 4-5 weeks. They are born hairless and blind but quickly develop.
  • 2. Juvenile Stage: From about five weeks to 4-5 months. During this time, the rabbits are growing quickly and exploring their environment.
  • 3. Young Adult Stage: From 5-6 months to about 1-2 years. Rabbits become sexually mature in this stage.
  • 4. Adult Stage: After 1-2 years, rabbits are considered mature adults. They can live many years in this stage with proper care.

Rabbit Weight By Age In Kg

The weight can vary significantly based on breed.

A smaller breed, like a Netherland Dwarf, may weigh less than 1 kg even when fully grown, while a larger breed, like the Flemish Giant, can weigh up to 10 kg.

However, here’s a rough estimate for an “average” rabbit:

  • Birth: 0.03-0.05 kg
  • One month: 0.2-0.4 kg
  • Three months: 1-1.5 kg
  • Six months: 1.5-2 kg
  • Adult: 2-2.5 kg


Here are some frequently asked questions about rabbit growth.

What Are The Signs Of A Rabbit Not Growing Properly?

Signs of improper growth can include slow weight gain, poor appetite, lethargy, and irregular bowel movements. If you notice any of these signs, consult a vet immediately.

What To Do If My Rabbit Is Underweight?

An underweight rabbit needs to be assessed by a vet to rule out health issues. If cleared, you can slowly increase their food intake, particularly high-fiber hays and veggies, under the supervision of a professional.

At What Age Do Lionhead Rabbits Stop Growing?

Lionhead rabbits generally stop growing at around 6-10 months old, reaching their adult size.

How Long Do Rabbits Live?

Domestic rabbits typically live between 8-12 years, depending on their breed, diet, and quality of care. Some can live into their teens.

When Do Dutch Rabbits Stop Growing?

Dutch rabbits typically stop growing and reach their full size between 6-9 months old.

At What Age Do Rabbits Stop Having Babies?

Female rabbits, or does, can remain fertile for most of their lives, but generally, we do not breed ours after they’re 4-5 years old due to health risks.

How Do You Tell How Big Your Rabbit Will Get?

The best way to determine a rabbit’s full-grown size is by looking at the parents, if possible.

The breed can also be a good indicator.

If you have a mixed breed or the parents are unknown, looking at the size of the rabbit’s feet and ears can give you a rough idea.


Rabbit growth highly depends on breed, diet, genetics, and environment. Taking the necessary steps to ensure their proper growth is paramount.

By providing a balanced diet, ample exercise, and regular healthcare, you can help your bunny reach its full potential.

We hope this article helped you know when rabbits stop growing. If you have further questions, comment below, and we will answer them.

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