Cork Bark Oak | Evergreen Quercus suber Bonsai – Large & Impressive 20 years old

Majestic Cork Bark Oak (Quercus suber Bonsai) | 20-Year-Old Evergreen in Royal Blue Glazed Pot

This outstanding 20-year-old Quercus suber bonsai is a truly impressive Cork Bark Oak with bold styling, natural power and enormous presence. Its thick trunk rises confidently in a strong informal-upright design, displaying early signs of the deeply fissured corky texture this species is famous for. The taper is excellent, the movement is expressive, and the branching flows beautifully from the trunk, giving the tree a classic, mature oak silhouette. A very easy bonsai species to care for as it is very hardy and being evergreen it offers so much throughout the year.

Lloyd has recently repotted this magnificent bonsai into a brand-new boldly glazed royal blue ceramic pot, chosen to enhance both the rugged bark and the deep evergreen leaves. The combination feels refined, balanced and full of character — the kind of display that immediately becomes the centrepiece of any outdoor collection.

This is the exact bonsai you will receive.

About the Cork Bark Oak |Quercus suber bonsai 

This iconic Mediterranean evergreen is cherished for its strength, longevity and sculptural bark. The thick corky bark develops increasingly deep fissures as the tree matures, giving it instant age and authenticity in bonsai form. Its foliage consists of small, leathery dark-green leaves that stay present all year, keeping the tree lush and full through every season.

This species is extremely hardy in the UK and thrives outdoors year-round. Its resilience, durability and ability to recover well from pruning make it a favourite for enthusiasts and a rewarding species for beginners who want a larger statement piece.

Flowers, Catkins & Acorns — A Living Seasonal Display

Cork Bark Oak bonsai can flower and fruit, especially once mature:

Spring Flowers

• Male flowers form long, yellow catkins that hang in soft clusters.

• Female flowers sit discreetly near the leaf axils and are much smaller.

• Both types are wind-pollinated, so they are subtle but fascinating to observe.

Acorns
After successful pollination, the female flowers may produce acorns that:

• Begin green

• Mature to warm brown

• Sit proudly in distinctive scaly cups

These acorns are wildlife favourites, adding even more life and interest to your garden display. While fruiting is more common on older, vigorous trees, UK-grown cork oaks can still produce acorns successfully.

Why This Bonsai Is So Impressive

This particular Quercus suber boasts:

• A thick, powerful trunk with exceptional taper

• Early cork formation showing dramatic natural texture

• Evergreen foliage that stays vibrant year-round

• Dynamic informal-upright movement

• Strong, artistic branching with a balanced silhouette

• A premium brand new royal blue glazed pot that enhances every detail

Its size, maturity and striking bark make it a standout tree — perfect for collectors who love expressive outdoor bonsai with undeniable presence.

Care & Placement

Cork Bark Oaks are wonderfully easy to maintain:

• Keep outdoors all year

• Position in full sun or light shade

• Water when the soil begins to dry (avoid constant wetness)

• Feed weekly during the growing season

• Protect from extreme wind immediately after repotting

A printed care guide is included for effortless success.

Why Buy from Bonsai Direct

When you choose Bonsai Direct, you support a passionate, eco-conscious, family-run nursery in rural Devon. Each premium bonsai is grown with expertise, photographed individually and packaged with exceptional care. You always receive the exact tree shown, along with friendly, expert guidance whenever you need it.