Index / Search / Galium aparine

§1 Plant — species · Rubiaceae

Galium aparine L.

vernacular stickywilly


USDA
GAAP2
GBIF
2913548
Rank
species
stickywilly (Galium aparine)
Platephotograph · Magnus HagdornCC BY-SA source · iNaturalist ↗

§2Habit & range

Habit and range

Growth habit
Forb/herb, Vine
Duration
Annual
Group
Dicot
Family
Rubiaceae Juss.
Genus
Galium
§2a

Native status, by region

  • AK Alaska Native
  • CAN Canada Introduced
  • GL Greenland Introduced
  • L48 Lower 48 States Native

§3Cultivation specs · USDA

Recorded by the USDA Plant Materials Program.

§3a

Tolerances

Drought
None
Shade
Low
Moisture use
High
Fire
None
Salinity
None
Anaerobic
Low
CaCO₃
Medium
Hedging
None
§3b

Climate & soil

Cold tolerance
52 °F minimum
Frost-free days
60 min.
Precipitation
14–55 in/yr
pH range
5.4–7.2
Root depth
4 in min.
Fertility need
High
Soil texture
medium, fine
§3c

Form & growth

Growth form
Single Crown
Growth rate
Rapid
Mature height
0.9 ft
Foliage texture
Coarse
Foliage colour
Green
Porosity (summer)
Porous
Porosity (winter)
Porous
Flower colour
Green
Fruit colour
Brown
Fire resistant
No
N fixation
None
Toxicity
None
§3d

Reproduction

Bloom period
Mid Spring
Seed abundance
Medium
Seed begins
Spring
Seed ends
Spring
Spread rate
Moderate
Stratify
No
Seeds / lb
500,000
Propagation
seed
§3e

Use & availability

Commercial availability
No Known Source
Nursery stock
No
Palatable, human
No
Lumber
No
Christmas tree
No

§4Montana distribution

Recorded in 21 of 56 Montana counties.


§5Sources & provenance

USDA PLANTS

Symbol, taxonomy, distribution, cultivation specs, native status. Public domain.

plants.usda.gov/GAAP2 ↗

GBIF Backbone

Canonical taxonomic identity, synonym resolution, cross-refs. CC0.

gbif.org/species/2913548 ↗

Record version

Cached and built locally. Source version on this record:

usda-plants-mt-2026-05-25

fetched 2026-05-25T16:28:53Z