Rhododendron 'Cosmopolitan'
A stunner in pink
Grown by Mike's trusted specialists
Europe
Choose your size
In stock
Currently out of stock
Currently out of stock
Order before 11pm for delivery within 3 weeks
Plant diary
- Flower
- Harvest
Rhododendron 'Cosmopolitan'
- You will immediately fall in love with Rhododendron 'Cosmopolitan' and its stunning pink funnel-shaped flowers fading to pale pink. This characteristic ensures it stands out as a true horticultural masterpiece.
- It will mature gracefully into a bushy, dense evergreen growth habit. Additionally, the leathery dark green foliage guarantees this variety works hard across multiple seasons.
- It demonstrates incredible resilience when grown in acidic, ericaceous soil in a sheltered, partially shaded border. Once established, it proves incredibly resilient and requires minimal ongoing maintenance.
- Beyond its striking looks, Rhododendron 'Cosmopolitan' effortlessly attracts emerging spring bumblebees all year round. It is renowned for the deep red macule decorating each bloom.
- A fascinating piece of botanical history regarding this rhododendron: the name rhododendron comes from ancient Greek, translating to 'rose tree'. These architectural plants were cultivated in Asia for centuries before becoming a British garden staple.
What to expect
Supplied as
Eventual height
Eventual spread
Flower colour
Habit
Hardiness
Spacing
Will this grow in my garden?
Can I grow this in a pot?
Yes, Rhododendron 'Cosmopolitan' can be grown in a pot, provided you use a suitably sized container with good drainage.
How big does it get?
The Rhododendron 'Cosmopolitan' can reach a mature height and spread of 1.5 to 2.5 metres.
How much sunlight does this need?
The Rhododendron 'Cosmopolitan' prefers full sun to partial shade, requiring about 4 to 6 hours of direct sunlight per day.
What kind of soil does this plant prefer?
Rhododendron 'Cosmopolitan' prefers moist but well-drained, acidic soil.
How much watering does this plant need?
The Rhododendron 'Cosmopolitan' requires regular watering to keep the soil consistently moist, providing about 2.5 to 5 centimetres of water weekly.
Will this plant need pruning?
No, the Rhododendron 'Cosmopolitan' does not strictly require pruning, although you may remove dead or damaged branches if necessary. If you do prune, ensure temperatures are above 5 degrees Celsius to avoid frost damage.
How hardy is this plant?
Rhododendron 'Cosmopolitan' is fully hardy across the UK with an RHS rating of H6, withstanding temperatures down to -20°C.
The wider garden
Europe
Meet Mike's trusted specialists
Start with a touch of continental sun
Over 99% of our plants are grown in the UK, but where that’s not possible, Mike sources the best specialist growers in Europe for the job. Think citrus warmed by Sicilian sun, topiary trained by Dutch masters, almonds nourished in the Dordogne and bamboo bathed in Tuscan heat. Our handpicked growers nurture these plants to maturity before handing over to our team in the Cotswolds, to toughen them up for UK gardens.
What customers say about us
We do our best to provide you the best experience ever
Learn from our experts
For growing advice that's clear and easy to follow
What customers say about us
We do our best to provide you the best experience ever
Fighting plastic waste
Delivering fresh from the nursery
Supporting UK growers