Rose
Spiraea densiflora
Rosaceae · broadleaf deciduous shrub · introduced
Last updated
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Rose meadowsweet, also called mountain spirea or subalpine spirea, is a deciduous shrub native to high elevations of the western mountains. Growing 2-4 feet tall, it produces narrow leaves and dense, flat-topped clusters of bright pink to rose flowers appearing in mid- to late summer.
This species is extremely cold-hardy to zones 2-6 and thrives in full sun to light shade with well-drained soil and moderate moisture. It spreads via rhizomes and self-seeding and is useful for mountain gardens and native plant landscapes. The plant attracts bees and butterflies.
Diseases (7)
Symptom category — not a single disease Leaf Spot Botrytis cinerea Botrytis Bud and Twig Blight Non-pathogenic (physiological — cold damage during flower... Bullhead Rhizobium radiobacter (formerly Agrobacterium tumefaciens) Crown Gall Podosphaera aphanis var. aphanis Powdery Mildew Thekopsora minima and Naohidemyces vaccinii Rust Raspberry bushy dwarf virus and related viruses Virus
Pests (20)
Aphidoidea Aphid Stenoptilodes antirrhina Snapdragon plume moth Tetranychidae Spider mite Black Mold Black Spot Brand canker Common canker Downy Mildew Megachile spp. Leafcutting bee Tortricidae Leafroller Schizura concinna Redhumped caterpillar Otiorhynchus spp. Root weevil Macrosiphum rosae Rose aphid Diplolepis rosae Rose galls Edwardsiana rosae Rose leafhopper Dasineura rhodophaga Rose midge Endelomyia aethiops Roseslug Thysanoptera Thrips Chloridea virescens Tobacco budworm Diabrotica undecimpunctata Western spotted cucumber beetle