Plant Data Sheet
Species Hieraceum albiflorum, white hawkweed
Range
Climate, elevation
Low to mid elevations.
Local occurrence (where, how
common)
Most commonly found under ponderosa pine and lodgepole pine.
Habitat preferences
White hawkweed grows in dry to moist, open forests, meadows, wooded slopes, clearings, and roadsides.
Plant strategy type/successional stage (stress-tolerator,
competitor, weedy/colonizer, seral, late successional)
Stress-tolerator.
Associated species
Yellow hawkweed (H. pratense) and orange hawkweed (H. aurentiacum) look very similar to white hawkweed except for flower color, both are state listed noxious weeds and care must be taken to not propagate them.
Other common names include:
None found.
May be collected as:
Seeds.
Collection restrictions or
guidelines
Collect seeds in
August, depending on elevation and geographic location. Shake flower heads into
a paper bag and ripe seeds will fall out easily. You can also simply collect
whole flower heads before seeds disperse.
Seed germination (needs
dormancy breaking?)
Either sow in the fall or moist stratify for 90 days at 1ēC and sow in spring.
Seed life (can be stored,
short shelf-life, long shelf-life)
Short self-life.
Recommended seed storage
conditions
Not specified.
Propagation recommendations
(plant seeds, vegetative parts, cuttings, etc.)
Seed.
Soil or
medium requirements (inoculum necessary?)
Installation form (form,
potential for successful outcomes, cost)
Seed.
Recommended planting density
None specified.
Care requirements after
installed (water weekly, water once etc.)
None specified.
Normal rate of growth or
spread; lifespan
Growth rate moderate, vegetative spread rate moderate.
Sources cited
http://plants.usda.gov/cgi_bin/topics.cgi
http://www.fs.fed.us/database/feis/plants/shrub/berner/distribution_and_occurrence.html
Pojar, Jim and Andrew MacKinnon. 1994. Plants of the
Rose, Robin, Caryn
E.C. Chachulski, and Diane L. Haase,
1998. Propagation
of
Data compiled by (student
name and date)
Lara Johnson