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Passifloraceae FAMILY

Turnera diffusa

Turnera diffusa

Edibility
2/5
Medicinal
4/5

Safety & Hazards

None known

Cultivation Details

HabitDeciduous Shrub
Growth—

Turnera diffusa is a plant of subtropical and tropical climates, being found at low to moderate elevations[1]. One report says that this species is somewhat cold-hardy, tolerating occasional, short-lived temperatures falling to about -5°c[2]. Requires a dry soil in a warm sunny sheltered position[2].

Propagation

Seed - sow spring in a greenhouse[2]. Prick out the seedlings into individual pots once they are large enough to handle and grow them on in the greenhouse for at least their first winter. Plant them out into their permanent positions in early summer and give some protection from winter cold for at least their first winter outdoors. Division in spring or autumn[2]. Cuttings of half-ripe wood, mid summer in a frame. Overwinter the young plants in a greenhouse and plant them out in early summer. Cite as: Temperate Plants Database, Ken Fern. temperate.theferns.info. 2026-02-21. <temperate.theferns.info/plant/Turnera+diffusa>

Pollinators

Data unavailable

References

  1. [1]Flora of Guatemala — Standley P.C. & J. A. Steyermark · 1946 - 1976 · http://www.archive.org/ ↩︎A superb reference, though somewhat dated. Gives lots of plant uses as well as information on plant habit and habitat. The entire flora (13 volumes) can now be downloaded from http://www.archive.org/
  2. [2]Encyclopaedia of Herbs and their Uses. — Bown. D. · Dorling Kindersley, London. · 1995 · ISBN 0-7513-020-31 ↩︎A very well presented and informative book on herbs from around the globe. Plenty in it for both the casual reader and the serious student. Just one main quibble is the silly way of having two separate entries for each plant.
  3. [3]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.
  4. [4]The Encyclopedia of Medicinal Plants — Chevallier. A. · Dorling Kindersley. London · 1996 · ISBN 9-780751-303148 ↩︎An excellent guide to over 500 of the more well known medicinal herbs from around the world.