Sapphire Olive Egger Breed Guide

For many, the Sapphire Olive Egger chicken, with its stunning plumage, friendly personality and captivating egg colors, is a breed worth owning. In this guide, Tractor Supply discusses the breed’s diverse appearance, behavioral traits and what you can expect in terms of olive-colored egg production. Our insights and wide range of poultry products are here to help you care for your flock and enjoy Life Out Here. 

Quick Facts

• Breed type: Eggs 

• Egg color: Most notably olive green (small chance of brown)

• Pen or free-range: Both 

• Temperament: Friendly, docile, active, can be skittish

Sapphire Olive Egger quick facts:

• Lifespan: 5-8 years

• Weight: Females (hens): 5-6 lb.; Males (roosters): 6-7 lb. 

• Appearance: Gray/blue/black/brown

• Egg production: 240 - 260 eggs/year

• Good for beginners: Yes

Key Takeaways

• The Sapphire Green Egger is a hybrid breed with a consistent gray-blue coloration, though individual birds may differ in comb type and the presence of feathered legs. 

• Olive egg shades can shift from muted green to deeper olive, with a small chance of brown eggs from a minority of hens.

• Plan for about 4 - 6 eggs per week, or about 240 - 260 eggs per year, when care and living conditions stay stable.

• The temperament of these chickens is usually friendly and mild, but roosters can be skittish.

• Striking an appropriate rooster-to-hen balance (about one rooster per 12 hens) matters for keeping the yard calm. 

Hybrid Background and Visual Markers

If you’ve never heard of the Sapphire Olive Egger before, you’re probably not alone. This relatively modern chicken was intentionally bred by poultry enthusiasts seeking a bird that combines beauty, hardiness and the unique charm of olive-colored eggs. Different from heritage breeds with centuries of lineage, the Sapphire Olive Egger is the result of selective crossbreeding, often involving chickens with blue and dark brown egg-laying traits.

The breed’s name reflects two key traits: “Sapphire,” highlighting its striking blue-gray or slate-toned feathers, and “Olive Egger,” referring to its signature greenish-olive eggs. This careful combination not only produces eye-catching plumage but also a unique hue in the egg basket.

Still, its hybrid background can lead to noticeable variation among individual birds, as is common in dual-purpose chicken breeds developed through crossbreeding. Comb type can differ even when the gray-blue plumage stays similar, such as single comb versus pea comb, and egg shade can vary from hen to hen as birds mature into lay. The same logic applies to smaller markers, such as feathered legs, meaning feathers that grow down the lower leg instead of a clean, bare shank.

Temperament and Hardiness

As far as temperament goes, the Sapphire Olive Egger is friendly and mild, and its preferred activity levels keep it curious and moving. Skittishness can show up, especially in roosters, which often means quick retreats, jumpy reactions to fast motion and a stronger preference for personal space. 

Broodiness runs low to moderate for this breed, meaning fewer long pauses that interrupt laying, and the mixed-flock dynamic tends to stay manageable when feed and water sources are adequately spaced out. If you keep roosters, a common target of one rooster to every 12 hens is recommended to reduce conflict when managing live birds in the same space.

Hardiness is a real strength for this breed, including cold tolerance and heat tolerance – but chickens still need smart support. In heat, shade matters, and steady airflow helps birds cool themselves. In winter, frostbite risk rises on the chicken’s exposed areas, including combs, wattles and feet. That risk climbs faster when poultry bedding stays damp or housing is drafty. Fresh shavings and coop heaters during the winter can limit these cold-weather threats.

Expert tip: Skittish rooster behavior usually means he tries to keep space between himself and whatever feels unpredictable, not that he is looking to fight. If your roosters show signs of skittishness, look at your setup and make changes as needed. 

Egg Size, Laying Pace and Color Range

Boasting a modest size, hens weigh around 5-6 lb. and roosters around 6-7 lb. That difference can change how shared spaces feel, especially around perches, doorways and nest access.

Plan on about 4 - 6 eggs per week once laying is established, which translates to about 240 - 260 eggs per year with stable care and conditions. It’s important to note that this range, particularly weekly goals, can vary during normal seasonal shifts.

Egg color runs olive green, with visible shade variation tied to genetics, ranging from a lighter, muted green to a deeper olive. There is a small chance of brown eggs from a minority of hens. While egg color is the crown jewel of this breed, it’s important to note that some hens may produce brown eggs. This color variation does not affect egg quality. 

Expert tip: Keep nest access calm and consistent once laying starts. When the coop flow stays predictable, it is easier to see the true pace of 4 - 6 eggs per week instead of stress-related dips. 

Space, Feed and Access Points

When considering coop space for this breed, use the baseline recommendations of about 4 sq. ft. per bird inside the coop and about 8-10 sq. ft. per bird in an enclosed run. Being a medium-sized bird, those numbers translate into clearer movement lanes to roosts, nests and exits, which reduces crowding pressure and helps the flock stay calmer.

Here are the setup details that shape how the flock moves, eats, drinks and uses nests day after day:

• Coops and pens should keep entrances and perches uncluttered to protect traffic flow.

• Containment parts and security should support a fully secured layout as part of everyday care. 

• Chicken wire and poultry netting can reinforce barrier coverage where you need a clear, physical perimeter for an enclosed run.

• Feeders and waterers should allow roomy approach space, since crowding can spike tension in a mixed flock.

• Nesting boxes should be 12x12x18 in. and sit at least 18 in. off the floor for privacy and comfort.

Feeding Priorities and Expected Start of Egg Production

When feeding your Sapphire Olive Eggers, the goal is a simple base plan that supports steady laying: a quality feed ration around 16-18% protein with separate calcium support, such as oyster shell. That protein range supports the daily egg production while also maintaining body condition, especially as birds settle into a consistent 4 to 6 eggs-per-week rhythm. Separate calcium gives hens what they need for shell building – without forcing extra calcium on birds that are not laying at the same rate. 

Keep feed type consistent, reserve poultry treats for occasional use and keep fresh water available all day. Then, use these checkpoints to stay ahead of the shift into laying:

• Integration stage: When younger birds join the flock, adding vitamins and supplements can support them through the transition window.

• Point of lay: First eggs can start around 20-24 weeks, or about 5-6 months of age.

• Active layer stage: Maintain protein and calcium levels to support the 240 - 260 eggs-per-year ceiling, and use egg-collecting supplies to gather them on a routine. 

Expert tip: With a hybrid breed that can include a skittish rooster, crowded access points can trigger stress fast. If birds hesitate at nests or rush away from feeders, open up the flow first before you treat it as a behavior problem.

Browse Sapphire Olive Eggers and Add-Ons at Tractor Supply

When raising Sapphire Olive Eggers, we are here to help you every step of the journey. Our stock includes a range of poultry essentials to support chicks and chickens through every life stage, from nutritious feed and treats to coops, bedding and wellness products. Whether you’re starting your first flock or adding new members, shop with us to get everything you need – browse our website or swing by your local Tractor Supply store.

Frequently Asked Questions About Sapphire Olive Egger Chickens

What makes the Sapphire Olive Egger different from a standardized breed?

Whereas heritage breeds have hundreds of years of lineage, Sapphire Olive Eggers are a more modern breed. They are result of crossbreeding chickens that lay blue and dark brown eggs, resulting in their namesake olive-colored eggshells.  

What egg colors should I expect across a small group of hens?

Expect olive eggs with a shade range from slightly muted green to deeper olive, plus a small chance of brown eggs from a minority of hens.

Do roosters change the feel of this breed in a backyard flock?

They can. Roosters can be skittish, and flock balance matters, so a practical target is about one rooster per 12 hens to reduce pressure and keep movement calmer around shared spaces.