Rocky Mountain juniper for birds in Arizona
Berry-like cones feed bluebirds, solitaires and waxwings in winter. Native to Arizona, where it feeds or shelters 42 backyard bird species.
- Scientific name
- Juniperus scopulorum
- Native status
- Native in Arizona
- Hardiness zones
- USDA 4b–10b
- What birds get from it
- fruit and berries, conifer seed and cover
- Arizona birds supported
- 42
- Nesting birds among them
- 36
Growing conditions in Arizona
Hot Sonoran and Mojave deserts in the south and west, with pine-oak sky islands and the Colorado Plateau rising above 7,000 ft.
Summer highs above 110°F in Phoenix and Tucson make water the single strongest attractant; the July monsoon triggers a second breeding pulse.
Arizona birds that use Rocky Mountain juniper
Year-round residents (27)
Northern Cardinal, Eastern Bluebird, House Finch, American Robin, Northern Flicker, Red-breasted Nuthatch, Evening Grosbeak, Pine Siskin, Northern Mockingbird, Yellow-rumped Warbler, European Starling, Steller's Jay, Woodhouse's Scrub-Jay, Mountain Chickadee, Juniper Titmouse, Pygmy Nuthatch, Cassin's Finch, Spotted Towhee, Western Bluebird, Mountain Bluebird, Gila Woodpecker, Cactus Wren, Curve-billed Thrasher, Phainopepla, Pinyon Jay, Band-tailed Pigeon, Cactus Wren
Summer breeders (9)
Gray Catbird, Black-headed Grosbeak, Bullock's Oriole, White-winged Dove, Gray Catbird, Western Tanager, Yellow-breasted Chat, Ash-throated Flycatcher, Yellow-billed Cuckoo
Winter visitors (6)
Cedar Waxwing, Ruby-crowned Kinglet, Golden-crowned Kinglet, Hermit Thrush, Red Crossbill, Northern Saw-whet Owl
Low deserts stay mild and host many wintering sparrows and hummingbirds; the high country gets snow.
Nesting season it supports in Arizona
Plants that feed adults and host caterpillars matter most while nestlings are in the nest. Local nesting windows for birds that use Rocky Mountain juniper:
- Northern Cardinal — March–August
- Eastern Bluebird — March–August
- House Finch — March–August
- American Robin — March–July
- Northern Flicker — March–June
- Red-breasted Nuthatch — April–June
- Evening Grosbeak — May–July
- Pine Siskin — March–June
- Gray Catbird — April–July
- Northern Mockingbird — February–August
Native plants to pair with Rocky Mountain juniper in Arizona
Late-summer berry clusters taken by over 40 bird species.
Thorny cover with orange fruit favored by thrashers and cardinals.
Frequently asked
Is Rocky Mountain juniper native to Arizona?
Yes. Rocky Mountain juniper (Juniperus scopulorum) is recorded as native in Arizona. Arizona spans USDA 4b–10b.
What birds does Rocky Mountain juniper attract in Arizona?
In Arizona, Rocky Mountain juniper supports 42 backyard birds, including Northern Cardinal, Eastern Bluebird, House Finch, American Robin, Northern Flicker, Red-breasted Nuthatch.
Does Rocky Mountain juniper help nesting birds in Arizona?
36 of those birds nest in Arizona: Northern Cardinal (March–August), Eastern Bluebird (March–August), House Finch (March–August), American Robin (March–July).
Which winter birds use Rocky Mountain juniper in Arizona?
Winter visitors Cedar Waxwing, Ruby-crowned Kinglet, Golden-crowned Kinglet, Hermit Thrush, Red Crossbill, Northern Saw-whet Owl use it in Arizona during the cold months.
Sources
- USDA PLANTS Database (native distribution)
- VASCAN (Canadian native distribution)
- eBird region overview and bar charts — Arizona
- USDA Plant Hardiness Zone Map (2023)
- Audubon Native Plants Database
Timing reflects typical patterns for the region as a whole; local dates vary with elevation and year. Check the linked eBird bar charts for your county.