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PlantFiles: Chinese Peony, Garden Peony
Paeonia lactiflora 'Lady Alexandra Duff'

Family: Paeoniaceae
Genus: Paeonia (pay-OHN-ee-uh) (Info)
Species: lactiflora (lak-tee-FLOR-uh) (Info)
Cultivar: Lady Alexandra Duff
Additional cultivar information: (aka Lady Alexander Duff)
Hybridized by Kelway; Year of Registration or Introduction: 1902

» View all varieties of Peonies

3 members have or want this plant for trade.


24-36 in. (60-90 cm)

36-48 in. (90-120 cm)

USDA Zone 2a: to -45.5 C (-50 F)
USDA Zone 2b: to -42.7 C (-45 F)
USDA Zone 3a: to -39.9 C (-40 F)
USDA Zone 3b: to -37.2 C (-35 F)
USDA Zone 4a: to -34.4 C (-30 F)
USDA Zone 4b: to -31.6 C (-25 F)
USDA Zone 5a: to -28.8 C (-20 F)
USDA Zone 5b: to -26.1 C (-15 F)
USDA Zone 6a: to -23.3 C (-10 F)
USDA Zone 6b: to -20.5 C (-5 F)
USDA Zone 7a: to -17.7 C (0 F)
USDA Zone 7b: to -14.9 C (5 F)
USDA Zone 8a: to -12.2 C (10 F)

Sun Exposure:
Full Sun
Sun to Partial Shade
Light Shade

Parts of plant are poisonous if ingested

Bloom Color:
Pale Pink

Bloom Time:
Late Spring/Early Summer


Other details:
Average Water Needs; Water regularly; do not overwater
Flowers are good for drying and preserving

Soil pH requirements:
6.6 to 7.5 (neutral)

Patent Information:

Propagation Methods:
By dividing rhizomes, tubers, corms or bulbs (including offsets)

Seed Collecting:
N/A: plant does not set seed, flowers are sterile, or plants will not come true from seed

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to view:

By Galanthophile
Thumbnail #1 of Paeonia lactiflora by Galanthophile

By Galanthophile
Thumbnail #2 of Paeonia lactiflora by Galanthophile

By lmelling
Thumbnail #3 of Paeonia lactiflora by lmelling

By DonnaMack
Thumbnail #4 of Paeonia lactiflora by DonnaMack

By DonnaMack
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By DonnaMack
Thumbnail #6 of Paeonia lactiflora by DonnaMack


3 positives
No neutrals
No negatives

Gardeners' Notes:

Positive DonnaMack On Jun 2, 2014, DonnaMack from Elgin, IL (Zone 5a) wrote:

A very beautiful, scented and reliable peony. Sometimes it blooms semi-double, and sometimes completely double. It needs a but of support since it's stems no a bit, but the resulting beauty is worth the trouble.

Positive LauraSteele On Mar 3, 2012, LauraSteele from Fort Wayne, IN wrote:

Per the 1928 Lee R. Bonnewitz Iris and Peony catalog from Van Wert, Ohio:
LADY ALEXANDRA DUFF (Kelway). One of the most celebrated Peonies in the world. Blooms on medium tall stems. The flowers are very large and loose, showing stamens at the center and collar. The color is a beautiful shade of pink which rapidly fades to white. Within two days after the main bloom has opened, the laterals open and they are usually very bright pink while the central semi-double bloom has faded to white, and the effect of the white semi-double bloom surrounded by three or four beautiful pink single blooms of water lily formation, is very distinctive. Nearly all visitors ask to see this celebrated variety, which, while having a most beautiful effect in the garden, unfortunately does not carry its petals in very good shape to the Peony shows, and so it is more famous as a garden flower and as a cut flower than it is as a show variety. One of the best selling varieties in our garden which we can recommend without any hesitation. $3.00

Per the APS website:
LADY ALEXANDRA DUFF (Kelway, 1902) - Double - Blush - Midseason. Medium height. Fair fragrance. Large. Blooms are borne in clusters, with smaller, saucer-shaped side flowers; pale blush-pink, almost white, with yellow stamens mixed with a few irregular petals in the center. Very floriferous; stems strong. Foliage abundant. In some seasons it is decidedly pink, especially on the back of the blooms near the calyx. As usually seen, the flowers are charming and informal and the plant is graceful.

Positive lmelling On Oct 28, 2004, lmelling from Ithaca, NY (Zone 5b) wrote:

Very lovely double pale pink flowers in mid June (zone 5). I grow several of these for use in dried arrangements. May not dry well in wet years or in area's of high humidity. Browning may occur.

When planting new peonies, make sure that you plant the "eyes" only 1 1/2" below the surface of the soil, otherwise they might not flower for several years. Give plenty of room between bushes (at least 3' in all directions) for air circulation. Keep watered well in spring until after flowering. This cultivar appears to have good resistance to disease and fungal infections.


This plant has been said to grow in the following regions:

Alexander City, Alabama
Elgin, Illinois
Grayslake, Illinois
East Islip, New York
Ithaca, New York

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