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Knaphill Red Native Azalea - Rhododendron
The flowers of Knaphill Red Azalea are fragrant, big and showy. More details below!

Knaphill Red Native Azalea - Rhododendron

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Knaphill Red Native Azalea
Rhododendron  'Knaphill Red'

USDA Plant Hardiness Zones: 5a-9b  Find Your Zone 

Note:  For our customers who live and garden north of USDA Plant Hardiness Zone 5a, where this native azalea variety is not winter hardy, you can enjoy it in containers that can be moved indoors during winter and placed back outside when temperatures warm up in spring.

Special Attributes

The flowers of Knaphill Red Azalea are fragrant, big and showy. Each individual deep red flower opens to an average size of 2 to 3 inches, but they come in trusses made up of many individual flowers. So the trusses are huge! Knaphill Red grows to be about 8 feet tall by 6 feet across in 15 years without pruning.

Landscape & Garden Uses

Knaphill Red Native Azalea is ideal for use as a specimen or in groupings in woodland borders or other areas of the landscape that provide dappled shade and moist but well-drained soils rich in organic matter. It's smaller size to 8-10' tall and 6-8' wide makes Knaphill Red Native Azalea a great choice for smaller garden spaces and containers. A fine selection for fragrance gardens, Azalea gardens, woodland gardens, native plant gardens, and cottage gardens. 

Spacing:  We do not suggest planting this beauty as a hedge. Space plants 8' or more for space between plants

Cultural Preferences

Knaphill Red Native Azalea is very easy to grow in moist but well-drained, humus rich soil and dappled shade or morning sun with afternoon shade. Once established it is quite drought tolerant, requiring supplemental water only during prolonged periods of dry summer weather. Native azaleas are very low-maintenance, requiring little if any pruning. That said, occasionally we might prune a stray branch that is growing way outside the natural form of the plant, but not so much that it would spoil the natural form of this beautiful shrub. 

Helpful Articles

Click on the link below to find helpful advice from our experts on how to plant and care for native azaleas.

Plant Details

USDA Plant Hardiness Zones: 5a-9b  Find Your Zone 
Plant Type:  Deciduous Flowering Shrub
Height at Maturity:  8-10'
Width at Maturity:  6-8'
Flower Color:  Red, Orange
Flower Size:  Medium, 2-3" long
Flowering Period:  Early Spring
Flower Type:  Single, Trumpet-shape
Fragrant Flowers:  Yes
Foliage Color:  Medium Green
Fragrant Foliage:  No
Berries:  No
Berry Color:  NA
Sun Needs:  Shade or Mostly Shade, Dappled Shade, Morning Sun with Afternoon Shade, All Day Filtered Sun, 
Water Needs:  Average, Lower when established, Water often during drought
Soil Type:  Clay (amended), Loam, Sand (amended), Silt 
Soil Moisture / Drainage:  Well Drained Moist
Soil pH:  4.5 - 6.5 (Acid)
Maintenance / Care:  Low
Attracts:  Visual Attention
Resistances:  Heat, Humidity, Insect, Shade

Plant Long & Prosper!

Questions?  Contact Us 

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