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Summary
Physical Characteristics
Petasites albus is a PERENNIAL growing to 0.6 m (2ft) by 1 m (3ft 3in) at a fast rate.
It is hardy to zone (UK) 5. It is in flower from April to May, and the seeds ripen in May. The species is 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 is pollinated by Insects. The plant is not self-fertile.
Suitable for: light (sandy), medium (loamy) and heavy (clay) soils and can grow in heavy clay soil. 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 soil.
UK Hardiness Map
US Hardiness Map
Synonyms
Tussilago alba.
Habitats
Woodland Garden Dappled Shade; Shady Edge; not Deep Shade; Ground Cover; Meadow;
Edible Uses
Edible Parts: Stem
Edible Uses:
The small fleshy petioles (leaf stems) are very palatable when cooked and eaten like asparagus[7].
References
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.
Antitussive Emmenagogue Homeopathy Hypnotic Sedative Vulnerary
The root is emmenagogue, hypnotic, sedative and vulnerary[7, 172]. The ground or finely chopped rhizome has a healing effect when applied to slow-healing or weak ulcers, or to suppurating wounds[7]. An infusion of the leaves is a specific remedy for coughs[7]. A homeopathic remedy is made from the roots[7]. It is used in the treatment of wounds, ulcers etc[7].
References
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Other Uses
A good ground cover for the wilder areas of the garden[200]. It is too invasive to be used in small gardens and is only suitable for covering large areas[208]. The leaves were at one time used by peasants as a head covering[7].
Special Uses
Ground cover
References
Cultivation details
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]. Prefers a heavy soil[208]. 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.
References
Temperature Converter
Type a value in the Celsius field to convert the value to Fahrenheit:
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The PFAF Bookshop
Plants For A Future have a number of books available in paperback and digital form. Book titles include Edible Plants, Edible Perennials, Edible Trees, and Woodland Gardening. Our new book to be released soon is Edible Shrubs.
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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
If available other names are mentioned here
Found In
Countries where the plant has been found are listed here if the information is available
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 Name | Common Name | Habit | Height | Hardiness | Growth | Soil | Shade | Moisture | Edible | Medicinal | Other |
| Petasites frigidus | Sweet Coltsfoot, Arctic sweet coltsfoot, Arrowleaf sweet coltsfoot, Golden Palms Coltsfoot, Butterb | Perennial | 0.2 |
6-10
| F | LMH | FSN | MWe | 2 | 1 | |
| Petasites hybridus | Butterbur, Pestilence wort | Perennial | 1.0 |
4-8
| F | LMH | FSN | MWe | 0 | 3 | |
| Petasites hyperboreus | Arctic Sweet Coltsfoot | Perennial | 0.2 |
4-8
| F | LMH | FSN | MWe | 2 | 1 | |
| Petasites japonicus | Sweet Coltsfoot, Japanese sweet coltsfoot, Butterbur | Perennial | 0.6 |
5-9
| F | LMH | FSN | MWe | 3 | 2 | 1 |
| Petasites palmatus | Sweet Butterbur, Golden Palms Coltsfoot, Sweet Coltsfoot, Butterbur | Perennial | 0.4 |
6-10
| F | LMH | FSN | MWe | 2 | 1 | |
| Petasites saggitatus | Arrowleaf Sweet Coltsfoot | Perennial | 0.2 |
-
| F | LMH | FSN | MWe | 2 | 1 | |
| Petasites speciosa | | Perennial | 0.0 |
-
| F | LMH | FSN | MWe | 2 | 0 | |
| Petasites vitifolius | Arctic sweet coltsfoot | Perennial | 0.6 |
0-0
| F | LMH | FSN | MWe | 1 | 0 | |
|
Growth: S = slow M = medium F = fast. Soil: L = light (sandy) M = medium H = heavy (clay). pH: A = acid N = neutral B = basic (alkaline). Shade: F = full shade S = semi-shade N = no shade. Moisture: D = dry M = Moist We = wet Wa = water.
Expert comment
Author
(L.)Gaertn.
Botanical References
17200
Links / References
For a list of references used on this page please go here
Readers comment
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Subject : Petasites albus
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