Limelight Hydrangea vs Round-Leaved Sundew - TreeTime.ca

Limelight Hydrangea vs Round-Leaved Sundew

Hydrangea paniculata Limelight

Drosera rotundifolia

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Limelight Hydrangea
Round-Leaved Sundew

Limelight Hydrangea is a flowering shrub that is known for its green flowers. As they mature, the flower colour changes from a pale green to a creamy white, followed by shades of pink and red. Hydrangea flowers persist longer compared to other flowering shrubs, blooming from late July into fall. They are a popular choice for flower arrangements.

The Limelight Hydrangea can be grown as a stand alone shrub, as a hedge, or incorporated into a flower garden. Blooms occur on new wood, so regular pruning is encouraged in late winter. This is an award winner from the Proven Winners® collection.

Round-Leaved Sundew is a native carnivorous plant, easily recognized by its bright green leaves covered in distinctive red, glandular hairs. These hairs secrete a sticky substance that is used to attract, trap, and digest insects. Their carnivorous nature allows them to survive in nutrient-poor, acidic soils where many other plants may struggle to grow.
They produce small white flowers that grow along the top of a slender, leafless stem. They can be found growing in wetlands, most often among sphagnum moss, in consistently moist, acidic soils. It does best in cooler summer climates and is intolerant of shade. Due to its small size, the plant can be difficult to spot in its natural habitat. Round-Leaved Sundew is an indicator of healthy wetland systems and is valued in ecological restoration and conservation projects.

Limelight Hydrangea Quick Facts

Round-Leaved Sundew Quick Facts

Zone: 3a
Zone: 3a
Height: 2.1 m (7 ft)
Height: 0.1 m (0.2 ft)
Spread: 2.1 m (7 ft)
Spread: 0.1 m (0.4 ft)
Light: partial shade, full sun
Light: partial shade, full sun
Moisture: any
Moisture: wet
Growth rate: medium
Growth rate: slow
Life span: medium
Life span: short
Growth form: rosette-forming
Spreading: axillary bud plantlets - medium, seeds - low
Suckering: none

Toxicity: toxic to dogs, cats, and horses

Foliage: round, green with sticky red tentacles
Fall colour: red to marooon
Flowers: greenish white
Flowers: tiny white flowers on long leafless stem
Bloom time: summer
Hybrid: no
Hybrid: no
Catkins: no
Catkins: no


Native to: AB, BC, SK, MB, ON, QC, NS, NB, NL, YT, NT, NU, PE
Other Names: limelight panicle hydrangea
Other Names: roundleaf sundew