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(IB) 'Empire'

1918, Sturtevant

'Empire' (Grace Sturtevant, 1918). IB, Late midseason bloom. Color Class-Y4D. Slight fragrance. 'Monsignor' x 'Aurea'. Honorable Mention, Massachusetts Horticultural Society 1916; First Class Certificate Massachusetts Horticultural Society 1917. Variety superseded.

See below:
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References

From Sturtevant Glen Road Iris Garden catalog, 1920: EMPIRE— A clear Empire Yellow; a seedling of Monsignor, very like it except in color and equally fine. 30 in. H.M. 1916. F.C.C. (MHS) 1917. 5.00
From Movilla Gardens catalog, 1921: EMPIRE. (Sturtevant 1908.) H.M., M.H.S. 1916; F.C.C., M.H.S. 1917. Clear empire yellow; a seedling of Monsignor. Taller than Aurea. 30 inches
Lee R. Bonnewitz (firm). (1928). Descriptive list of peonies, irises, oriental poppies: 1928. [Catalog]. https://www.biodiversitylibrary.org/item/238763#page/14/mode/1up
EMPIRE (Sturtevant) . This is a splendid yellow iris which we sometimes think is a trifle darker than 'Shekinah', but does not grow as tall as that variety. $ 0.50. Three rhizomes for $1.00; one dozen rhizomes for $3.50; one hundred rhizomes for $25.00.(Bonnewitz, 1928, p. 10).
From Longfield Iris Farm catalog, 1925: "A slightly clouded yellow self. A free and dependable bloomer. Thirty inches."

Nursery listings

  • Glen Road (Sturtevant) 1918
  • Movilla 1919
  • Treholme (Sheets) 1928
  • Katkamier 1939
  • Wild 1939
Additional nurseries not listed:
  • Glen Road (Sturtevant) 1920
  • Movilla 1921
  • Longfield (Williamson) 1925
  • Bonnewitz 1928

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.

-- BobPries - 2011-03-07

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-- BobPries - 2011-03-07
Topic revision: r16 - 08 Nov 2023, AlainFranco
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