White Milkweed (Asclepias perennis) in the Milkweeds Database

1 company sells this plant

Common names:
Give a thumbs up White Milkweed
Give a thumbs up Swamp Milkweed
Give a thumbs up Aquatic Milkweed
Give a thumbs up Milkweed

General Plant Information (Edit)
Plant Habit:Herb/Forb
Life cycle:Perennial
Sun Requirements:Full Sun to Partial Shade
Partial or Dappled Shade
Water Preferences:Wet
Wet Mesic
Soil pH Preferences:Slightly acid (6.1 – 6.5)
Neutral (6.6 – 7.3)
Minimum cold hardiness:Zone 6a -23.3 °C (-10 °F) to -20.6 °C (-5 °F)
Plant Height:2 to 3 feet
Plant Spread:12 inches
Leaves:Other: Leaves and stems exude a milky white sap
Flower Color:White
Other: Pink overtones in bud
Flower Size:Under 1"
Flower Time:Late winter and early spring
Late spring or early summer
Late summer or early fall
Inflorescence Type:Umbel
Suitable Locations:Bog gardening
Wildlife Attractant:Bees
Other Beneficial Insects: Wasps, Moths
Resistances:Deer Resistant
Rabbit Resistant
Flood Resistant
Toxicity:Other: All parts of plant are toxic if ingested. Sap may cause contact dermatitis.
Pollinators:Moths and Butterflies
Miscellaneous:Goes Dormant


Grow Milkweed and Help Save the Monarch ButterfliesGrow Milkweed and Help Save the Monarch Butterflies
September 23, 2015

Could the monarchs one day actually go extinct? It's not unheard of. The loss of milkweed is directly related to the loss of monarchs. Let's all grow milkweed and preserve this majestic species of butterfly.

(Full articleno comments)
Give a thumbs up

Photo gallery:
By dave
Give a thumbs up
Location: Central ArkansasDate: 2016-06-04A perennis blooms covering top of plant
By Myles
Give a thumbs up
Location: MississippiDate: 2015-09-30Asclepias perennis continues to bloom even with maturing seed pod
By kchd
Give a thumbs up

Plant Events from our members
aspenhillOn May 4, 2012Obtained plant
DG David (greenthumb99) and Pat (ecnalg) - qty 2
» Post your own event for this plant

Discussion Threads about this plant
Thread TitleLast ReplyReplies
Oops by plantladylinJun 21, 2017 6:41 PM1
Asclepias in East Tennessee? by daveMay 2, 2017 4:20 PM5
Growing Milkweeds by luvsgrtdanesSep 9, 2017 11:18 PM343
Feb. 4 (Saturday) 2017 "Think Spring!!" Seed Swap in Frederick MD by critterologistFeb 12, 2017 11:05 AM110
Florida Wildflower Foundation looking for photos by mellielongMay 19, 2016 8:39 AM0
Plant Swap Chat for Spring 2016 Swap by critterologistMay 11, 2016 1:22 PM579

« Add a new plant to the database

» Search the Milkweeds Database: by characteristics or by cultivar name

« See the general plant entry for Milkweeds (Asclepias)

« The Milkweeds Database Front Page

« The Plants Database Front Page

Today's site banner is by rocklady and is called "Echinacea Cherokee Spirit"