Chinese Peony, Garden Peony 'Lady Alexandra Duff'

Paeonia lactiflora

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
Registered or introduced: 1902
» View all varieties of Peonies




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:

Unknown - Tell us

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

Foliage Color:

Unknown - Tell us

Bloom Characteristics:

Flowers are good for drying and preserving

Water Requirements:

Average Water Needs; Water regularly; do not overwater

Where to Grow:

Unknown - Tell us


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

Gardeners' Notes:


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.


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 peta... read more


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.