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Summary
Physical Characteristics
Impatiens glandulifera is a ANNUAL growing to 1.5 m (5ft) at a fast rate.
See above for USDA hardiness. It is hardy to UK zone 6. It is in flower from August to October, and the seeds ripen from September to November. The species is hermaphrodite (has both male and female organs) and is pollinated by Bees.
Suitable for: light (sandy), medium (loamy) and heavy (clay) soils and can grow in heavy clay soil. Suitable pH: mildly acid, neutral and basic (mildly alkaline) soils. It can grow in semi-shade (light woodland) or no shade. It prefers moist soil.
UK Hardiness Map
US Hardiness Map
Synonyms
I. roylei.
Plant Habitats
Woodland Garden Sunny Edge; Dappled Shade; Shady Edge;
Edible Uses
Edible Parts: Leaves Oil Oil Seed Shoots
Edible Uses: Oil Oil
Young leaves and shoots - cooked[172, 183]. They should not be used on a regular basis, see warning at top of record[172]. Seed - raw[105, 177]. A delicious nutty flavour[183], but difficult to harvest in quantity mainly because of their exploding seed capsules which scatter the ripe seed at the slightest touch[K] An edible oil is obtained from the seed[17, 177, 183].
References More on Edible Uses
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.
Bach
The plant is used in Bach flower remedies - the keywords for prescribing it are 'Impatience', 'Irritability' and 'Extreme mental tension'[209]. It is also one of the five ingredients in the 'Rescue remedy'[209].
References More on Medicinal Uses
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Other Uses
Oil Oil
An oil from the seed is used for lighting[17, 177].
Special Uses
References More on Other Uses
Cultivation details
Succeeds in any reasonably good soil[1]. Grows well in heavy clay soils. Prefers a moist well-drained humus rich soil in a cool site[200]. Self sows in areas where the minimum temperature is no lower than -15°c[200]. This plant has seed capsules that spring open forcibly as the seed ripens to eject the seed a considerable distance. The capsules are sensitive to touch even before the seed is ripe, making seed collection difficult but fun[K].
References Carbon Farming Information and Carbon Sequestration Information
Temperature Converter
Type a value in the Celsius field to convert the value to Fahrenheit:
Fahrenheit:
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Plants For A Future have a number of books available in paperback and digital form. Book titles include Edible Plants, Edible Perennials, Edible Trees,Edible Shrubs, Woodland Gardening, and Temperate Food Forest Plants. Our new book is Food Forest Plants For Hotter Conditions (Tropical and Sub-Tropical).
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Plant Propagation
Seed - sow spring in a greenhouse. A period of cold stratification may help to improve germination rates. When they are large enough to handle, prick the seedlings out into individual pots and plant them out in the summer. If you have sufficient seed, it is worthwhile trying an outdoor sowing in situ in the spring.
Other Names
If available other names are mentioned here
Native Range
TROPICAL ASIA: Sri Lanka (endemic)
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 :
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
Royle.
Botanical References
1751200
Links / References
For a list of references used on this page please go here
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