PROTEA Banksia serrata

Commonly known as Old man banksia, Red honeysuckle, Saw banksia, Saw-toothed banksia

Serrated leaves and yellow-green flowers
Further Reading....
  • Evergreen
    Alternate, narrowly oblong, toothed leaves 8-15cm (3-6in) long, downy and light red or reddish brown at first, then leathery, smooth and semi-glossy, deep green
  • Yellow
    Yellow-green
  • Height
    3-20m (10-66ft)
  • Spread
    2-8m (6½-26ft)
  • Tall Shrub
    Erect, then spreading, shrub or tree. Produces cylindrical flower heads 9-15cm (3½-6in) long
  • Tender - cool or frost free greenhouse
    Tolerant of low temperatures, but not surviving being frozen. Except in frost-free inner-city areas or coastal extremities requires glasshouse conditions. Plant can withstand temperatures down to 1°C (34°F)
  • Will grow outside in milder locations
    This could include plants which would survive happily in a greenhouse or conservatory if not in a mild location. If you have a sheltered spot in your garden then it may do well here.
  • Full sun

PROTEA Banksia serrata

 

 

  • Additional Features
    Pests & Diseases
    Phytophthora root rot. Plants will become chlorotic if soil contains too much phosphate or lime
    Place of origin
    Australia (New South Wales, Victoria)
    Resistant to honey fungus
    These plants have little or few problems with honey fungus.
  • Garden Location/Conditions
    Australian / New Zealand
    Coastal / windswept
    Suitable for coastal areas
  • Hardiness
    Half hardy (down to 0)
  • Leaf margin
    Serrate
    		(see photos above)
  • Leaf shape
    Oblong
    		(see photos above)
  • Pruning group
    Pruning group 1
    Suitable for: Deciduous and evergreen trees, and some deciduous shrubs.
    Pruning: Minimal pruning required. Prune wayward or crossing branches to maintain a healthy framework.
    When: When dormant in the late winter/early spring. Some in the summer/autumn to prevent bleeding of sap.
  • Seasonal Interest
    Autumn
    Summer
  • Soil Conditions
    Free draining sandy soil
    Neutral to acid soil
    Well drained, dry, poor to moderately fertile soil
    Poor soil
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Protea - Care Guide
3-20m (10-66ft)
 Tall Shrub - guide for size not form Average Person
  2-8m (6½-26ft)
  

Useful extras...

Fertilisers & Feeds - Empathy
Afterplant - Grow Your Own
AFTER PLANT GROW YOUR OWN seaweed is ready to use liquid concentrate that was specially formulated be used on all edible plants.
Only £8.00

Fertilisers & Feeds - Empathy
Afterplant - Tomatoes
AFTER PLANT TOMATO FEED Liquid Concentrate with Bio stimulant is a high potash liquid concentrate containing seaweed extract, plant derived amino acids and other nutrients specifically formulated to benefit tomatoes and greenhouse plants.
Only £8.00

Fertilisers & Feeds - Empathy
Rootgrow mycorrhizal fungi
Recommended by the RHS. Contains Rootgrow™ mycorrhizal fungi. Suitable for all trees and shrubs (except rhododendrons, azaleas, heathers, cranberries and blueberries)
3 options from £3.00

Fertilisers & Feeds - Empathy
Rootgrow Ericoid mycorrhizal fungi
This specially adapted Rootgrow™ mycorrhizal fungi will boost the growth of acid-loving plants like rhododendrons, azaleas, heathers and blueberries. It contains ericoid and arbuscular mycorrhizal fungi, which are found in poor acidic soils where ericaceous plants naturally grow.
Only £7.50

Fertilisers & Feeds - Empathy
All-purpose Seaweed Stimulant
All-purpose organic concentrated seaweed feed that is a ready to use, derived from sustainable harvested kelp, that can be used on all outdoor and indoor plants, except acid loving plants. Perfect used in conjunction with Rootgrow™.
Only £7.50

Fertilisers & Feeds - Vitax
Blood, Fish & Bone
Improves vegetable, fruit and flower quality. Blood, Fish and Bone contains three major nutrients essential for strong and healthy growth.
Only £6.00

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