See Show Calender


■(TB) 'Bientôt L'Automne'

2022, Cosi

'Bientôt L'Automne' (Christine Cosi, R. 2022). Seedling1905/01. TB, 36" (91 cm). Early bloom. Standards vivid yellow (RHS 9A); style arms pale orangish yellow (RHS 23D); falls vivid yellow (RHS 9A) infused deep red (RHS 53A), deep red veining on yellow around orange beard, small yellow edge, deep red wire rim; slight fragrance. 'Picture Book' X 'High Desert'.

See below:


IRIS et BULBEUSES n°172, 2022, p. 36.


Quick Summary of Cultural Directions

Hardiness Zones 4-8 for most varieties, Some cultivars tolerate colder, others tolerate warmer zones (please comment in comment box with your location if this cultivar grows well in zone 3, 4, 9, or 10.)
Exposure Prefers full sun for optimal performance, may still bloom in half-day shade
Water: Prefers well drained good garden soil, Tolerant of dry conditions in established plants, Intolerant of swampy conditions.
PH Prefers Neutral to basic solis 6.1 to 8.5, quite toleranr of more extreme conditions
Fertilizer Prefers rich conditions on relatively inorganic soils.

BobPries - 21 Apr 2019

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I Attachment Action Size Date Who Comment
bientotlautomne9.JPGJPG bientotlautomne9.JPG manage 251 K 05 Oct 2022 - 21:07 UnknownUser Photo by Christine Cosi-Iris en Perigord- France
bientotlautomne90.JPGJPG bientotlautomne90.JPG manage 275 K 05 Oct 2022 - 21:07 UnknownUser Photo by Christine Cosi-Iris en Perigord- France
bientotlautomne91.JPGJPG bientotlautomne91.JPG manage 241 K 05 Oct 2022 - 21:08 UnknownUser Photo by Christine Cosi-Iris en Perigord- France
Topic revision: r8 - 03 Nov 2023, Af83
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