Callistemon 'John Mashlan'

Bottlebrush

Callistemon 'John Mashlan' is a striking bottlebrush admired for its vivid red flower spikes and dense evergreen foliage. Flowering from late spring into summer, it brings bold colour into New Zealand gardens while attracting bees and birds. This hardy shrub thrives in sunny positions, tolerates coastal conditions and dry spells, and delivers reliable year round structure with very little maintenance required.

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Suited to regions:	All regions
Plant type:	Shrubs
Height:	3.50 m
Spread:	3.00 m
Flowering time:	Spring, Autumn, Winter
Tolerances:	Coastal, Extended dry periods, Hardy, Wind
Garden uses:	Containers, Hedging, Pool areas, Screening
Garden styles:	Alpine, Backyard, City & Courtyard, Coastal, Formal, Frontyard, Modern
Easy to grow?	Yes
Maintenance requirements	Low
Growth rate	Medium
Also known as	Bottlebrush
Sku	10860

How to grow Callistemon 'John Mashlan' in NZ

Callistemon 'John Mashlan' grows best in full sun with well drained soil. It performs strongly in coastal regions, tolerates wind and handles light frost once established. Water regularly during the first year to help roots develop deeply, then reduce watering as the shrub matures. For maximum flowering and vibrant foliage, plant in a warm, open position with plenty of direct sunlight.

Callistemon 'John Mashlan' care tips

Callistemon 'John Mashlan' is low maintenance and easy to care for. Trim lightly after flowering to promote new branching and improve flower displays for the following season. Apply slow release fertiliser in spring and mulch to retain soil moisture. Once established it requires little watering and remains hardy, tidy and colourful all year.

Callistemon 'John Mashlan' size spacing and growth rate

Callistemon 'John Mashlan' typically reaches 1.5 to 2.5 metres tall and 1.2 to 2 metres wide, forming a bushy upright shrub. Space plants 1.5 to 2 metres apart to allow natural shaping and airflow. Growth is moderate to fast in warm sunny conditions. Expect abundant red brush flowers during late spring and summer with evergreen foliage maintaining structure through every season.

Landscaping uses for Callistemon 'John Mashlan'

Callistemon 'John Mashlan' suits native gardens, coastal landscapes, mixed shrub borders, wildlife friendly plantings and screening. The bright red flowers pair beautifully with grasses, flax, hebes and silver foliage shrubs. Plant as a feature shrub, incorporate into hedges or group in clusters to create strong colour impact while supporting local bird life.

Why buy Callistemon 'John Mashlan' from The Plant Company?

The Plant Company is NZs most trusted plant nursery supplying strong Callistemon 'John Mashlan' plants grown for reliability, vibrant colour and garden resilience. Each plant is securely packed for nationwide delivery and includes simple establishment guidance. Expect long lasting red blooms, hardy evergreen growth and dependable performance. Choose Callistemon 'John Mashlan' from The Plant Company for lasting beauty and low maintenance appeal.

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