Pet Safe
moderate Care
alder buckthorn
Frangula alnus 'Columnaris'
Alder buckthorn (Frangula alnus 'Columnaris') is an amazing ornamental tree that is sure to draw attention and admiration! Its fast growth rate and columnar shape mean that it quickly establishes a vertical accent, standing tall in the garden. Its leaves are green with an almost white underside, adding texture to the landscape. In the fall, these dark green leaves turn to a gleaming yellow, accentuating the vertical shape of the tree. With its tolerance to a range of difficult soil conditions, alder buckthorn is an adaptable andhardy species that will bring life and beauty to any garden.
Sunlight
Partial Shade
Water Needs
medium
USDA Hardiness Zones
Zone 3Zone 4Zone 5Zone 6Zone 7
Hardiness Map
Green areas show climates worldwide where this plant can grow.
Zone 3Zone 4Zone 5Zone 6Zone 7
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Water Every
7-10 days
Sun Needs
partial-shade
Growth
Low
Care Level
Low
Season
Fall
Sep Oct Nov
Winter
Dec Jan Feb
Spring
Mar Apr May
Summer
Jun Jul Aug
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Pruning Time
How to Propagate
Cutting
Take 4-6" cuttings in spring, root in water or moist soil
Layering Propagation
Bend stem to soil surface, cover lightly, roots form in 4-6 weeks
Grafting Propagation
Join scion to rootstock, bind securely until healed
Seed Propagation
Start seeds indoors 6-8 weeks before last frost date
Division
Divide root ball in spring, replant sections immediately
Plant Characteristics
Drought Tolerant
Is This Plant Right for You?
Good For:
- •Forgetful waterers
- •Homes with pets
- •Low-maintenance gardens
Consider Carefully:
- •Indoor growing
Bloom Seasons
Care Tips
Light Requirements
Enjoys dappled or limited direct sun—about 2–4 hours of morning or late afternoon light and protection during peak midday sun.
Watering
Keep soil consistently moist but not waterlogged. Water when top inch of soil is dry.