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Berberidaceae FAMILY

Berberis microphylla

Berberis microphylla

Edibility
3/5
Medicinal
2/5

Safety & Hazards

All parts of the plant contain the alkaloid berberine - this is most concentrated in the roots, stems and inner bark, and least concentrated in the fruits. In small quantities berberine has a range of effective medicinal applications but, in excess, can cause vomiting, lowered blood pressure, reduced heart rate, lethargy, and other ill-effects. The fruit of most, if not all, members of this genus are more or less edible and can be eaten in quantity since the levels of berberine in the fruit are very low.

Cultivation Details

HabitEvergreen Shrub
Growth—

Berberis microphylla is a fairly hardy plant, it can tolerate occasional winter temperatures falling as low as -15°c[1], though it can be deciduous in cold winters[2]. Prefers a warm moist loamy soil and light shade but it is by no means fastidious, succeeding in thin, dry and shallow soils and in full sun[3, 4]. Grows well in heavy clay soils. The dwarf Berberis microphylla nana is the form of this species that is most commonly found growing in Britain. It is very free flowering but to date (1994) we have not seen this form bearing fruit[PFAF]. The species is supposed to be self-fertile so it is possible that this form is sterile. Hybridizes freely with other members of this genus[5]. Plants can be pruned back quite severely and resprout well from the base[4]. Some Berberis species (especially Berberis vulgaris) harbour the black stem-rust fungus (Puccinia graminis Persoon). This is a major disease of wheat and barley crops and can spread from infected barberries to the grain crop. The sale or transport of susceptible or untested species of Berberis is illegal in the United States and Canada[6]. We have no data on susceptibility for this species[PFAF].

Propagation

Seed - best sown as soon as it is ripe in a cold frame, when it should germinate in late winter or early spring[7]. Seed from over-ripe fruit will take longer to germinate[7], whilst stored seed may require cold stratification and should be sown in a cold frame as early in the year as possible[8]. The seedlings are subject to damping off, so should be kept well ventilated[9]. When the seedlings are large enough to handle, prick them out into individual pots and grow them on in a cold frame. If growth is sufficient, it can be possible to plant them out into their permanent positions in the autumn, but generally it is best to leave them in the cold frame for the winter and plant them out in late spring or early summer of the following year. Cuttings of half-ripe wood, mid summer in a frame. Roots in 4 - 8 weeks[9]. Pot up in spring[9]. Cuttings of mature wood of the current season's growth, preferably with a heel, autumn in a frame[7]. Some forms produce suckers[3]. Cite as: Temperate Plants Database, Ken Fern. temperate.theferns.info. 2026-02-20. <temperate.theferns.info/plant/Berberis+microphylla>

Pollinators

Insects, Self

References

  1. [1]Shrubs. — Phillips. R. & Rix. M. · Pan Books · 1989 · ISBN 0-330-30258-2 ↩︎Excellent photographs and a terse description of 1,900 species and cultivars.
  2. [2]The RHS Gardener's Encyclopedia of Plants and Flowers — Brickell. C. · Dorling Kindersley Publishers Ltd. · 1990 · ISBN 0-86318-386-7 ↩︎Excellent range of photographs, some cultivation details but very little information on plant uses.
  3. [3]Trees and Shrubs Hardy in Great Britain. Vol 1 - 4 and Supplement. — Bean. W. · Murray · 1981 · ISBN - ↩︎A classic with a wealth of information on the plants, but poor on pictures.
  4. [4]The New RHS Dictionary of Gardening. 1992. — Huxley. A. · MacMillan Press · 1992 · ISBN 0-333-47494-5 ↩︎Excellent and very comprehensive, though it contains a number of silly mistakes. Readable yet also very detailed.
  5. [5]RHS Dictionary of Plants plus Supplement. 1956 — F. Chittendon. · Oxford University Press · 1951 · ISBN - ↩︎Comprehensive listing of species and how to grow them. Somewhat outdated, it has been replaced in 1992 by a new dictionary (see [ 200 ]).
  6. [6]Flora of N. America — http://flora.huh.harvard.edu/fna/ ↩︎An on-line version of the flora with an excellent description of the plant including a brief mention of plant uses.
  7. [7]Propagation of Trees, Shrubs and Conifers. — Sheat. W. G. · MacMillan and Co · 1948 · ISBN - ↩︎A bit dated but a good book on propagation techniques with specific details for a wide range of plants.
  8. [8]Hardy Woody Plants from Seed. — McMillan-Browse. P. · Grower Books · 1985 · ISBN 0-901361-21-6 ↩︎Does not deal with many species but it is very comprehensive on those that it does cover. Not for casual reading.
  9. [9]The Reference Manual of Woody Plant Propagation. — Dirr. M. A. and Heuser. M. W. · Athens Ga. Varsity Press · 1987 · ISBN 0942375009 ↩︎A very detailed book on propagating trees. Not for the casual reader.
  10. [10]Annals of the Missouri Botanical Garden. Volume 86 — Missouri Botanical Garden · 1999 · http://www.biodiversitylibrary.org ↩︎Among many articles on botany, is a treatment of the genus Beilschmiedia.
  11. [11]Global Invasive Species Database — http://www.issg.org/database/welcome/ ↩︎Very detailed information on almost 400 species (with more being added) of plants that have become weeds in areas outside their native range.
  12. [12]Flora of Tierra del Fuego. — Moore. D. M. · Anthony Nelson. · 1983 · ISBN 0-904614-05-0 ↩︎Standard work for this part of S. America. Excellent details of habitat and a few notes on plant uses.
  13. [13]Growing Unusual Fruit. — Simmons. A. E. · David & Charles; Newton Abbot. · 1972 · ISBN 0-7153-5531-7 ↩︎A very readable book with information on about 100 species that can be grown in Britain (some in greenhouses) and details on how to grow and use them.
  14. [14]Flora of Chile. (in Spanish) — ? ↩︎Some information about the useful plants of Chile.
  15. [15]Plants for Human Consumption. — Kunkel. G. · Koeltz Scientific Books · 1984 · ISBN 3874292169 ↩︎An excellent book for the dedicated. A comprehensive listing of Latin names with a brief list of edible parts.
  16. [16]Cornucopia - A Source Book of Edible Plants. — Facciola. S. · Kampong Publications · 1990 · ISBN 0-9628087-0-9 ↩︎Excellent. Contains a very wide range of conventional and unconventional food plants (including tropical) and where they can be obtained (mainly N. American nurseries but also research institutes and a lot of other nurseries from around the world.
  17. [17]Sturtevant's Edible Plants of the World. — Hedrick. U. P. · Dover Publications · 1972 · ISBN 0-486-20459-6 ↩︎Lots of entries, quite a lot of information in most entries and references.
  18. [18]Medicinal Plants of China — Duke. J. A. and Ayensu. E. S. · Reference Publications, Inc. · 1985 · ISBN 0-917256-20-4 ↩︎Details of over 1,200 medicinal plants of China and brief details of their uses. Often includes an analysis, or at least a list of constituents. Heavy going if you are not into the subject.
  19. [PFAF]Plants for a Future — pfaf.org ↩︎