Waxy Coneflower
Rudbeckia glaucescens
perennial herb
View on Calscape
Care
Sun
full sun, part shade
Water
low
Soil
well-drained, sandy or gravelly soil
Size
1–3ft tall , 1–2ft wide
Bloom
Jun-Sep
Foliage
Deciduous
Deer
Resistant
Container
Friendly
Flowers
Prized
Native Range
Endemic to the Sierra Nevada foothills and inland ranges of central California, 2000-4000 ft elevation, in oak woodland and chaparral transition zones.
Wildlife Supported
Birds
Seeds · Year-Round
Gleans seeds from mature flower heads, critical winter food, September-April
mod
Chipping sparrow
Seeds · Year-Round
Forages on dried seed heads as winter food source, September-February
Insects
Larval Host · Year-Round
Larval food plant during caterpillar development, likely May-July in California
mod
Digger Wasp
Nectar · Year-Round
Visits flowers for nectar and as hunting grounds for insect prey
Larval Host · Year-Round
Larval host plant supporting caterpillar growth in late spring through early summer