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(IB) 'Opéra'

1916, Vilmorin

'Opéra' (Vilmorin-Andrieux et Cie, R. 1916) IB. Midseason bloom. Color Class S9D.

See below:
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References

Journal de la Société Nationale d'Horticulture de France, 1914, 4e série, Tome XV, p. 387; 1922, Tome XXIII, p. 215; Note: listed as introduced in 1907.
Vilmorin-Andrieux & Cie, catalogue de plantes 1918, p. 47.
Historic Iris Gallery: Opera
From Wing Seed catalog, 1919: OPERA — New. Vigorous plant, very free flowering, attaining a height of two and one-half feet, of beautiful habit, large flowers having falls of purple-violet very deep and velvety, striped on the haft,and with yellow beard; standards full, bright reddish-lilac; style arms yellow with middle line of violet; flowering toward the end of May. $2.00.
From G. G. Whitelegg catalog, 1921: OPERA (Vilmorin). A magnificent variety, a fine vigorous grower and free-flowering with blooms of extra large size. The standards are bright rosy lilac and the falls a striking velvety purple.

Culture

Quick Summary of Cultural Directions

FURTHER CULTURAL INFORMATION Sort
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.

-- Main.RPries - 2011-03-07

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-- Main.RPries - 2011-03-07
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