Idaho Nature Guide: November 2026
November turns Idaho toward winter. The larch has dropped its gold, snow settles on the high country, and the great winter raptors and waterfowl arrive — Bald Eagles gather at the kokanee spawn on Lake Coeur d'Alene and the first Trumpeter Swans return to the spring-fed rivers.
What to look for this week
- Bald Eagles line the Snake River and the kokanee-rich Lake Coeur d'Alene, while Trumpeter Swans ride the ice-free, spring-fed water of Henry's Fork.
- The Quadrantid meteor shower peaks in a brief, sharp burst around January 3 — watch the dark northeast after midnight from the Snake River Plain or the Sawtooth valleys.
- In the warm Treasure Valley, dig the last mulched carrots and leeks on a thaw and finish dormant pruning of apples once the cold eases.
- Ponderosa pine and Douglas-fir carry the snowy mountains in dark green while the bare western larch stands gray across the north-Idaho forests.
Birds This Month
November settles Idaho into its winter bird season. The famous Bald Eagle concentration gathers at Wolf Lodge Bay on Lake Coeur d'Alene, drawn by the spawning kokanee salmon — one of the Northwest's great late-fall eagle spectacles, building through the month. Eagles also line the Snake and other rivers statewide. The first wintering Trumpeter and Tundra Swans return to the spring-fed water of Henry's Fork and the Snake.
Waterfowl pack the open reservoirs and rivers — Common and Barrow's Goldeneye, Common Mergansers, Bufflehead, and diving ducks — and the Snake River Birds of Prey country fills with wintering Rough-legged Hawks, Northern Harriers, Prairie Falcons, and Golden Eagles. Feeders draw Mountain and Black-capped Chickadees, Cassin's Finches, Pine Siskins, and the first Bohemian Waxwings, Pine Grosbeaks, and irruptive finches down from the snowbound mountains.
What's Blooming
The wild bloom is over across Idaho by November. The sagebrush steppe of the Snake River Plain stands brown and frost-killed, the rabbitbrush gone to gray seed, the canyon grasslands cured and bleached, and the high Sawtooth and Lost River meadows buried under early snow. No native wildflower is in flower anywhere in the state this month.
The botanical interest now is entirely seed and fruit, the winter larder for the birds. Bright rose hips and the orange of mountain-ash and hawthorn hang on the bare branches, the blue berries of Rocky Mountain juniper dot the canyon slopes, and the last dark chokecherry and serviceberry fruit clings in the draws — all of it stripped steadily by the arriving Bohemian Waxwings, robins, and finches. Sagebrush holds its silver-green foliage, the one persistent color on the dormant steppe.
Garden This Month
November puts the Idaho garden to bed as winter takes hold. In the warm Treasure Valley and lower Snake River country, the season stretches longest — dig the last carrots, leeks, parsnips, and frost-sweetened kale and Brussels sprouts before the ground freezes hard, and harvest any storage crops still in the soil. Finish mulching the garlic, strawberries, asparagus, and perennial beds for winter protection, and drain and store the hoses and drip lines before the hard freeze splits them.
Clean, sharpen, and oil the tools, empty and store the pots, and compost the last spent crops. Across most of the state the soil is now freezing and the work shifts to planning: review the season's results, take stock of the harvest in storage, and begin ordering seed for next year's short, intense growing season before the popular short-maturity potato, corn, and onion varieties sell out. In the mountain valleys, snow already blankets the dormant beds.
Zone 4b (eastern Snake River Plain & mountain valleys): winter has arrived. The ground is frozen and snow is settling; leave the snowpack as insulation over the mulched perennial and garlic beds, and turn to planning and ordering seed for the short season ahead.
Zone 5b (Boise foothills & Magic Valley): the garden is going to bed. Mulch garlic, strawberries, and perennials heavily, finish draining hoses, protect any remaining hardy greens under cover, and clean and store the tools for winter.
Zone 6a (warmest Treasure Valley & lower Snake River): the last harvest. Dig the final carrots, leeks, and frost-sweetened greens before the ground freezes, mulch the perennial and garlic beds, drain irrigation, and finish the winter cleanup on a mild day.
What's at the Farmers Market
November markets in Idaho shift fully to the winter storage season. The Idaho potato anchors the table from the great fresh-filled cellars — russets, reds, golds, and fingerlings — alongside cured Treasure Valley onions, winter squash and pumpkins, and the cold-hardy roots: carrots, beets, parsnips, turnips, rutabagas, and celeriac. Frost-sweetened cabbage, kale, leeks, and Brussels sprouts are at their best after the cold.
Storage apples and pears from the southwestern orchards hold crisp, and the new harvest of Palouse lentils, dry peas, and chickpeas fills the staple bins. Idaho honey, fresh-milled flour and grain, hard cider, and wine round out the winter stand, and indoor and year-round farmers markets carry hoop-house greens. Choose firm, smooth, unsprouted potatoes and store them cool, dark, and dry; keep onions and squash in a dry, ventilated spot; and hold apples cold and apart from the greens they will wilt.
Night Sky This Month
November's long, cold, clear nights make for fine Idaho stargazing, though high snow now closes the loftiest dark-sky access. The Central Idaho Dark Sky Reserve around the Sawtooths and Stanley still offers profoundly dark skies on clear nights from the plowed valley roads, and the wide flats of the Snake River Birds of Prey NCA and the high desert near Bruneau Dunes give Treasure Valley observers room to escape the city glow.
The winter sky returns: brilliant Capella and the Pleiades ride high in the east after dark, Taurus and red Aldebaran climb behind them, and Orion clears the eastern horizon by mid-evening, heralding the great winter constellations. The Leonid meteor shower peaks around November 17, radiating from Leo in the late-night east. For this year's exact Leonid timing, planet positions, and aurora prospects for northern Idaho, see the printable Idaho night-sky guide.
Butterflies & Pollinators
The Idaho butterfly season has closed by November, but the state's overwintering species are present, hidden and dormant against the cold. The adult hibernators — the Mourning Cloak, Milbert's Tortoiseshell, and California Tortoiseshell — are tucked deep under loose cottonwood and aspen bark, in woodpiles, hollow logs, rock crevices, and unheated outbuildings along the river valleys and foothills, locked down until the spring sun wakes them.
Every other Idaho species waits in an earlier stage through the long winter. Western Tiger and Anise Swallowtails hang as chrysalids fastened to twigs, bark, and dried stems; the Western Tailed-Blue and other blues and coppers overwinter as chrysalids or part-grown larvae near their host legumes; and the fritillaries, crescents, and high-mountain species hibernate as tiny caterpillars or eggs in the leaf litter and under the deepening Sawtooth and Lost River snowpack.
Trees This Month
November strips Idaho's deciduous trees bare and reveals the winter forest. The western larch of the north-Idaho panhandle has dropped its gold needles, standing gray among the dark evergreens of the Clearwater and St. Joe country until spring. The riverside black cottonwood, quaking aspen, water birch, and willows are leafless along the Snake, Boise, and Clearwater, their bare forms legible against the first snows.
The evergreen conifers now carry the landscape: ponderosa pine on the canyon and foothill slopes, Douglas-fir, grand fir, and Engelmann spruce on the mountains, and the great western white pine, western redcedar, and western hemlock of the moist north. On the dry slopes, Rocky Mountain juniper holds its blue berries and the silver of sagebrush stands over the frozen ground, both feeding and sheltering the wintering birds as snow settles across the high country and creeps down toward the valleys.
Go deeper with the Idaho guides
The complete Idaho birding, native-plant, wildflower, and night-sky guides — or the whole year in one bundle.
Same month elsewhere: November in Illinois · November in Indiana · November in Iowa