Species Petasites frigidus | Known

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Is Petasites frigidus growing in your garden? Record it and all of your plants in Known.

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Names

Common Names: Butterbur, Arctic Sweet Coltsfoot, Arctic Butterbur, Sweet Coltsfoot

Growth

Height: 4-24 inches
Spread: 1.5-3.5 feet
Growth Rate: Fast

Appearance

Bloom Color: White to pinkish
Foliage Color: Pinkish-white
Fall Foliage Color: White to pinkish, Yellowish-white to pink, Purple or white (rarely yellowish), Pink, Pinkish-white

Environment

Hardiness Zones: Zones 6-10
Sunlight Requirements: Ideally Full Sun, Partial Shade, and Full Shade.
Soil Type: Loamy soil that stays consistently moist or waterlogged, with good drainage and moisture-retentive qualities.
Soil Drainage: Moist, well-drained soil that remains consistently moist (even waterlogged at times)
Soil pH: 6.5-7.0, Neutral to mildly alkaline

Lifecycle

Lifecycle: Perennial
Leaf Lifecycle: Deciduous
Seasons of Interest: Spring, Summer, and Winter
Bloom Time: Spring (April–May)

Reproduction

Propagation Methods: Seeds, Division

Wildlife

Attracts Wildlife: Attracts butterflies

References

Taxonomy

Taxonomic Rank: Species
Author: (L.) Fr.
Publication: Summa Veg. Scand. : 182 (1845)

Superior Taxa

Kingdom: Plantae
Subkingdom: Pteridobiotina
Phylum: Angiosperms
Order: Asterales
Family: Asteraceae
Subfamily: Asteroideae
Tribe: Senecioneae
Genus: Petasites

Inferior Taxa

Petasites frigidus var. frigidus Petasites frigidus var. palmatus Petasites frigidus var. sagittatus

Synonyms

Nardosmia frigida Petasites frigidus subsp. frigidus Tussilago frigida Nardosmia angulosa Petasites corymbosus Petasites frigidus subsp. nivalis Nardosmia nivalis Nardosmia angulosa Nardosmia frigida var. frigida

References

Taxonomic data from World Flora Online, accessed June 20, 2024