Heart-Leaf Golden Alexanders, Meadow Parsnip

Ziziaaptera

Family
Apiaceae (ay-pee-AY-see-ee)
Genus
Zizia (ZIZ-ee-uh)
Species
aptera (AP-ter-uh)
Synonym
Sun Exposure
Sun to Partial Shade
Foliage
Herbaceous
Smooth
Height
24-36 in. (60-90 cm)
Spacing
18-24 in. (45-60 cm)
Hardiness
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)
USDA Zone 8b: to -9.4 °C (15 °F)
Bloom Color
Bright Yellow
Bloom Time
Late Spring/Early Summer
Mid Summer
Other Details
Category
Alpines and Rock Gardens
Perennials
Water Requirements
Requires consistently moist soil; do not let dry out between waterings
Foliage Color
Where to Grow
Bloom Characteristics
Bloom Size
Other details
Soil pH requirements
6.1 to 6.5 (mildly acidic)
6.6 to 7.5 (neutral)
7.6 to 7.8 (mildly alkaline)
Patent Information
Propagation Methods
From seed; direct sow outdoors in fall
From seed; winter sow in vented containers, coldframe or unheated greenhouse
From seed; stratify if sowing indoors
Seed Collecting
Allow seedheads to dry on plants; remove and collect seeds
Regional

This plant is said to grow outdoors in the following regions:

La Grange, Illinois

Stow, Massachusetts

Hudson, New Hampshire

Frenchtown, New Jersey

Cullowhee, North Carolina

Clarksville, Tennessee

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Gardener's Notes:

2
positives
1
neutral
0
negative
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M
(Maggie) Jacksonville, FL (Zone 9a) | August 2008 | positive

This plant is a larval food for Black swallowtail caterpillars.

M
M
Benton, KY (Zone 7a) | February 2005 | neutral

Usually about 2 feet tall, bearing a cluster of several leafy stems containing bright yellow flowers in compound umbels.

U...Read More

D
Stow, MA | May 2004 | positive

I love this little plant. It is non invasive, but seeds itself moderately, one or two plants a year. It is very hardy here in Massachus...Read More

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