Plants by mail order since 1984, over 4100 plants online today!
Due to very high order volumes, there is an order limiting system in place at present. Please be aware that courier deliveries can be delayed, due to high volumes.
ACER macrophyllum
Commonly known as Big leaf maple, Oregon maple
Large dark green deeply lobed leaves which turn a bright orange in autumn. Fragrant yellow flowers in clusters followed by bristly fruit
-
Deciduous - broadly ovate, deeply 5-lobed, glossy leaves 20-30cm (8-12in) long
-
Yellow - yellow-green -
Height - 20m (65ft) -
Spread - 20m (65ft)
-
Tree - vigorous. Produces large, bristly, winged fruit
-
Very hardy - Hardy in the severest continental climates including exposed upland locations in the UK. Plant can withstand temperatures < -20 (-4°F) -
Full sun -
Partial shade -
Additional Features - Good to know - - the largest leaves of any maple -
Pests & Diseases - aphids, mites (causing galls), caterpillars, Verticillium wilt, leaf scorch, honey fungus -
Place of origin - western North America -
Flower Shape - Racemes - - pendent racemes 10-15cm (4-6in) long
-
Garden Location/Conditions - Woodland garden -
-
Hardiness - Fully hardy -
-
Leaf margin - Lobed - see photos above -
Leaf shape - Ovate - 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.
RHS group 1 -
Seasonal Interest - Autumn -
-
Spring
-
Soil Conditions - Fertile moist well-drained soil -
-
Tree Shape - Rounded to broadly spreading -
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
|
20m (65ft)
|
|
|
|
20m (65ft) |
Useful extras...
Fertilisers & Feeds - Vitax
Q4 Pelleted Fertiliser
A useful fertiliser suitable for use on a wide variety of plants. Q4 provides all the nutrients and trace elements essential for vigorous growth, abundant flowering and ripening of fruit.
3 options from £6.00
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)
2 options from £6.00
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
Vermin & Pest Control
Tree Guards
Essential small tree protection from vermin and strimming. This pack includes 5 x 90cm canes and 5 x 90cm spiral guards. Includes instructions.
Only £5.00
Garden Goodies
Slate Plant Labels
These wonderfully tactile natural slate plant labels are hand made in Cornwall and come with a chalk pen.
Just stick them in your pot or border. Pack of 6.
Only £10.20
Garden Goodies
Slate Tie-on Plant Labels
Hand made in Cornwall, these delightful natural slate labels are perfect for pots.
Comes with chalk pen. Pack of 5
Only £10.20
Share this page
