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Petasites frigidus - (L.)Fries.
                 
Common Name Sweet Coltsfoot, Arctic sweet coltsfoot, Arrowleaf sweet coltsfoot, Golden Palms Coltsfoot, Butterb
Family Asteraceae or Compositae
USDA hardiness 6-10
Known Hazards None known
Habitats Streamsides, moist woods, bogs and other wet places in N. America[60].
Range N. Europe to Northern N. America.
Edibility Rating  
Other Uses  
Weed Potential No
Medicinal Rating  
Care
Fully Hardy Moist Soil Wet Soil Full shade Semi-shade Full sun

Summary
Bloom Color: Pink. Main Bloom Time: Late winter. Form: Spreading or horizontal.

Petasites frigidus Sweet Coltsfoot, Arctic sweet coltsfoot,  Arrowleaf sweet coltsfoot, Golden Palms Coltsfoot, Butterb


http://commons.wikimedia.org/wiki/File:Petasites_frigidus.jpg
Petasites frigidus Sweet Coltsfoot, Arctic sweet coltsfoot,  Arrowleaf sweet coltsfoot, Golden Palms Coltsfoot, Butterb
http://commons.wikimedia.org/wiki/User:Stan_Shebs
   
Physical Characteristics
 icon of manicon of flower
Petasites frigidus is a PERENNIAL growing to 0.2 m (0ft 8in) by 1 m (3ft 3in) at a fast rate.
It is hardy to zone (UK) 5. It is in flower from Apr to May, and the seeds ripen from May to June. The flowers are dioecious (individual flowers are either male or female, but only one sex is to be found on any one plant so both male and female plants must be grown if seed is required) and are pollinated by Insects.The plant is not self-fertile.
Suitable for: light (sandy), medium (loamy) and heavy (clay) soils. Suitable pH: acid, neutral and basic (alkaline) soils. It can grow in full shade (deep woodland) semi-shade (light woodland) or no shade. It prefers moist or wet soil.

Synonyms
P. speciosa. Tussilago frigida.

Habitats
Woodland Garden Dappled Shade; Shady Edge; not Deep Shade; Ground Cover; Meadow; Bog Garden;
Edible Uses
Edible Parts: Flowers;  Leaves;  Root;  Stem.
Edible Uses: Salt.

Young leaves - raw or cooked[46, 61, 257]. They are mixed with other greens and used as a potherb[183, 257]. The leaves can also be made into a sauerkraut[257]. Young stalks and flower heads - cooked[183]. Roots - cooked[172, 183]. The burnt leaves are used as a salt substitute[172]. The stems and leaves, whilst still green, are rolled up into balls, dried and then placed on top of a very small fire on a rock and burned[207]. A very acceptable condiment for piñole[207].
Medicinal Uses


Plants For A Future can not take any responsibility for any adverse effects from the use of plants. Always seek advice from a professional before using a plant medicinally.

Antispasmodic;  Pectoral;  Poultice.

Antispasmodic, poultice[172]. An infusion of the dried leaves has been used in the treatment of colds, head and chest congestion[257].
Other Uses
Containers;  Stuffing.

A good ground cover for the wilder areas of the garden[200]. The cotton-like seed heads have been used as a stuffing material for mattresses[257]. The leaves have sometimes been folded into conical containers for collecting fruit[257]. They have also been used to make a temporary funnel[257].
Cultivation details
Landscape Uses:Seashore, Woodland garden. Succeeds in ordinary garden soil[1], but prefers a deep fertile humus-rich soil that is permanently moist but not stagnant, succeeding in shade, semi-shade or full sun[200]. Prefers partial shade[31]. Plants can be grown in quite coarse grass, which can be cut annually in the autumn[233]. A very invasive plant, too rampant for anything other than the wild garden[187, 200]. Dioecious, male and female plants must be grown if seed is required. Special Features:Attractive foliage, North American native, Invasive, Wetlands plant.
Propagation
Seed - we have no information on this species but suggest sowing the seed in a cold frame as soon as it is ripe or in early spring. Only just cover the seed and do not allow the compost to dry out. When they are large enough to handle, prick the seedlings out into individual pots and plant them out in the summer. Division succeeds at almost any time of the year. Very easy, larger divisions can be planted out direct into their permanent positions. We have found that it is better to pot up the smaller divisions and grow them on in light shade in a cold frame until they are well established before planting them out in late spring or early summer.
Other Names
Found In
Weed Potential

Right plant wrong place. We are currently updating this section. Please note that a plant may be invasive in one area but may not in your area so it’s worth checking.

Conservation Status
IUCN Red List of Threatened Plants Status :
Related Plants
Latin NameCommon NameEdibility RatingMedicinal Rating
Petasites albusButterbur21
Petasites hybridusButterbur, Pestilence wort03
Petasites hyperboreusArctic Sweet Coltsfoot21
Petasites japonicusSweet Coltsfoot, Japanese sweet coltsfoot, Butterbur32
Petasites palmatusSweet Butterbur, Golden Palms Coltsfoot, Sweet Coltsfoot, Butterbur21
Petasites saggitatusArrowleaf Sweet Coltsfoot21
Petasites speciosa 20
Petasites vitifoliusArctic sweet coltsfoot10
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Author
(L.)Fries.
Botanical References
5060200
Links / References
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Subject : Petasites frigidus  

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