Foliage

Mountain alder

Alnus tenuifolia

broadleaf tree · Forest and woodland

Yellow fall foliage.

The dates here are for Southwest and the Sierra. Choose a country below to open it beside the whole view.

Its colors

yellow

Yellow fall foliage.

no picture of it this autumn yet

When it turns here

weeks not yet read

Southwest and the Sierra

This country's evergreens are not yet read for their shares.

How long it holds

the sources give no figure for how long it holds its color.

Where it grows thickest

Hat Creek Rim and Lake Almanor in the Lassen area.

its range outline comes to this page

Where this share comes from
  • Southwest and the Sierra: in its own places (1). At Lassen, fall color appears in aspen groves, willows and mountain alder, especially around Hat Creek Rim and Lake Almanor. — US Forest Service, Fall Colors (undated page, read 2026-10-27).

Its pictures this autumn

no picture of it this autumn yet

Mountain alder in its color, the other plants in gray: one small view for each country, one column a week. Heights carry four share grades, from a plant in its own places to most of the forest.

Southwest and the Sierra

Aug 31Nov 16Quaking aspen; week beginning Aug 31, 2026; still green; here and there; press for moreQuaking aspen; week beginning Sep 7, 2026; still green; here and there; press for moreQuaking aspen; week beginning Sep 14, 2026; turning; here and there; press for moreQuaking aspen; week beginning Sep 21, 2026; turning; here and there; press for moreQuaking aspen; week beginning Sep 28, 2026; at its peak; here and there; press for moreQuaking aspen; week beginning Oct 5, 2026; done; here and there; press for moreQuaking aspen; week beginning Oct 12, 2026; done; here and there; press for moreQuaking aspen; week beginning Oct 19, 2026; done; here and there; press for moreQuaking aspen; week beginning Oct 26, 2026; done; here and there; press for moreQuaking aspen; week beginning Nov 2, 2026; done; here and there; press for moreQuaking aspen; week beginning Nov 9, 2026; done; here and there; press for moreQuaking aspen; week beginning Nov 16, 2026; done; here and there; press for moreGambel oak; week beginning Aug 31, 2026; still green; here and there; press for moreGambel oak; week beginning Sep 7, 2026; still green; here and there; press for moreGambel oak; week beginning Sep 14, 2026; still green; here and there; press for moreGambel oak; week beginning Sep 21, 2026; turning; here and there; press for moreGambel oak; week beginning Sep 28, 2026; turning; here and there; press for moreGambel oak; week beginning Oct 5, 2026; at its peak; here and there; press for moreGambel oak; week beginning Oct 12, 2026; past peak; here and there; press for moreGambel oak; week beginning Oct 19, 2026; done; here and there; press for moreGambel oak; week beginning Oct 26, 2026; done; here and there; press for moreGambel oak; week beginning Nov 2, 2026; done; here and there; press for moreGambel oak; week beginning Nov 9, 2026; done; here and there; press for moreGambel oak; week beginning Nov 16, 2026; done; here and there; press for moreCottonwoods; week beginning Aug 31, 2026; still green; here and there; press for moreCottonwoods; week beginning Sep 7, 2026; still green; here and there; press for moreCottonwoods; week beginning Sep 14, 2026; still green; here and there; press for moreCottonwoods; week beginning Sep 21, 2026; still green; here and there; press for moreCottonwoods; week beginning Sep 28, 2026; turning; here and there; press for moreCottonwoods; week beginning Oct 5, 2026; turning; here and there; press for moreCottonwoods; week beginning Oct 12, 2026; at its peak; here and there; press for moreCottonwoods; week beginning Oct 19, 2026; past peak; here and there; press for moreCottonwoods; week beginning Oct 26, 2026; done; here and there; press for moreCottonwoods; week beginning Nov 2, 2026; done; here and there; press for moreCottonwoods; week beginning Nov 9, 2026; done; here and there; press for moreCottonwoods; week beginning Nov 16, 2026; done; here and there; press for moreCanyon hackberry; week beginning Aug 31, 2026; still green; in its own places; press for moreCanyon hackberry; week beginning Sep 7, 2026; still green; in its own places; press for moreCanyon hackberry; week beginning Sep 14, 2026; still green; in its own places; press for moreCanyon hackberry; week beginning Sep 21, 2026; still green; in its own places; press for moreCanyon hackberry; week beginning Sep 28, 2026; still green; in its own places; press for moreCanyon hackberry; week beginning Oct 5, 2026; still green; in its own places; press for moreCanyon hackberry; week beginning Oct 12, 2026; still green; in its own places; press for moreCanyon hackberry; week beginning Oct 19, 2026; still green; in its own places; press for moreCanyon hackberry; week beginning Oct 26, 2026; still green; in its own places; press for moreCanyon hackberry; week beginning Nov 2, 2026; still green; in its own places; press for moreCanyon hackberry; week beginning Nov 9, 2026; color in the source’s window; no later dates yet; in its own places; press for moreCanyon hackberry; week beginning Nov 16, 2026; color in the source’s window; no later dates yet; in its own places; press for moreGoodding willow; week beginning Aug 31, 2026; still green; in its own places; press for moreGoodding willow; week beginning Sep 7, 2026; still green; in its own places; press for moreGoodding willow; week beginning Sep 14, 2026; still green; in its own places; press for moreGoodding willow; week beginning Sep 21, 2026; still green; in its own places; press for moreGoodding willow; week beginning Sep 28, 2026; still green; in its own places; press for moreGoodding willow; week beginning Oct 5, 2026; still green; in its own places; press for moreGoodding willow; week beginning Oct 12, 2026; still green; in its own places; press for moreGoodding willow; week beginning Oct 19, 2026; still green; in its own places; press for moreGoodding willow; week beginning Oct 26, 2026; still green; in its own places; press for moreGoodding willow; week beginning Nov 2, 2026; still green; in its own places; press for moreGoodding willow; week beginning Nov 9, 2026; color in the source’s window; no later dates yet; in its own places; press for moreGoodding willow; week beginning Nov 16, 2026; color in the source’s window; no later dates yet; in its own places; press for moreLittle-leaf mulberry; week beginning Aug 31, 2026; still green; in its own places; press for moreLittle-leaf mulberry; week beginning Sep 7, 2026; still green; in its own places; press for moreLittle-leaf mulberry; week beginning Sep 14, 2026; still green; in its own places; press for moreLittle-leaf mulberry; week beginning Sep 21, 2026; still green; in its own places; press for moreLittle-leaf mulberry; week beginning Sep 28, 2026; still green; in its own places; press for moreLittle-leaf mulberry; week beginning Oct 5, 2026; still green; in its own places; press for moreLittle-leaf mulberry; week beginning Oct 12, 2026; still green; in its own places; press for moreLittle-leaf mulberry; week beginning Oct 19, 2026; still green; in its own places; press for moreLittle-leaf mulberry; week beginning Oct 26, 2026; still green; in its own places; press for moreLittle-leaf mulberry; week beginning Nov 2, 2026; still green; in its own places; press for moreLittle-leaf mulberry; week beginning Nov 9, 2026; color in the source’s window; no later dates yet; in its own places; press for moreLittle-leaf mulberry; week beginning Nov 16, 2026; color in the source’s window; no later dates yet; in its own places; press for moreMexican buckeye; week beginning Aug 31, 2026; still green; in its own places; press for moreMexican buckeye; week beginning Sep 7, 2026; still green; in its own places; press for moreMexican buckeye; week beginning Sep 14, 2026; still green; in its own places; press for moreMexican buckeye; week beginning Sep 21, 2026; still green; in its own places; press for moreMexican buckeye; week beginning Sep 28, 2026; still green; in its own places; press for moreMexican buckeye; week beginning Oct 5, 2026; still green; in its own places; press for moreMexican buckeye; week beginning Oct 12, 2026; still green; in its own places; press for moreMexican buckeye; week beginning Oct 19, 2026; still green; in its own places; press for moreMexican buckeye; week beginning Oct 26, 2026; still green; in its own places; press for moreMexican buckeye; week beginning Nov 2, 2026; still green; in its own places; press for moreMexican buckeye; week beginning Nov 9, 2026; color in the source’s window; no later dates yet; in its own places; press for moreMexican buckeye; week beginning Nov 16, 2026; color in the source’s window; no later dates yet; in its own places; press for moreNative ash; week beginning Aug 31, 2026; still green; in its own places; press for moreNative ash; week beginning Sep 7, 2026; still green; in its own places; press for moreNative ash; week beginning Sep 14, 2026; still green; in its own places; press for moreNative ash; week beginning Sep 21, 2026; still green; in its own places; press for moreNative ash; week beginning Sep 28, 2026; still green; in its own places; press for moreNative ash; week beginning Oct 5, 2026; still green; in its own places; press for moreNative ash; week beginning Oct 12, 2026; still green; in its own places; press for moreNative ash; week beginning Oct 19, 2026; still green; in its own places; press for moreNative ash; week beginning Oct 26, 2026; still green; in its own places; press for moreNative ash; week beginning Nov 2, 2026; still green; in its own places; press for moreNative ash; week beginning Nov 9, 2026; color in the source’s window; no later dates yet; in its own places; press for moreNative ash; week beginning Nov 16, 2026; color in the source’s window; no later dates yet; in its own places; press for moreWestern soapberry; week beginning Aug 31, 2026; still green; in its own places; press for moreWestern soapberry; week beginning Sep 7, 2026; still green; in its own places; press for moreWestern soapberry; week beginning Sep 14, 2026; still green; in its own places; press for moreWestern soapberry; week beginning Sep 21, 2026; still green; in its own places; press for moreWestern soapberry; week beginning Sep 28, 2026; still green; in its own places; press for moreWestern soapberry; week beginning Oct 5, 2026; still green; in its own places; press for moreWestern soapberry; week beginning Oct 12, 2026; still green; in its own places; press for moreWestern soapberry; week beginning Oct 19, 2026; still green; in its own places; press for moreWestern soapberry; week beginning Oct 26, 2026; still green; in its own places; press for moreWestern soapberry; week beginning Nov 2, 2026; still green; in its own places; press for moreWestern soapberry; week beginning Nov 9, 2026; color in the source’s window; no later dates yet; in its own places; press for moreWestern soapberry; week beginning Nov 16, 2026; color in the source’s window; no later dates yet; in its own places; press for moreBigtooth maple; week beginning Sep 21, 2026; weeks not yet read; in its own places; press for moreBigtooth maple; week beginning Sep 28, 2026; weeks not yet read; in its own places; press for moreBigtooth maple; week beginning Oct 5, 2026; weeks not yet read; in its own places; press for moreBigtooth maple; week beginning Oct 12, 2026; weeks not yet read; in its own places; press for moreBigtooth maple; week beginning Oct 19, 2026; weeks not yet read; in its own places; press for moreMountain alder; week beginning Sep 21, 2026; weeks not yet read; in its own places; press for moreMountain alder; week beginning Sep 28, 2026; weeks not yet read; in its own places; press for moreMountain alder; week beginning Oct 5, 2026; weeks not yet read; in its own places; press for moreMountain alder; week beginning Oct 12, 2026; weeks not yet read; in its own places; press for moreMountain alder; week beginning Oct 19, 2026; weeks not yet read; in its own places; press for morePacific dogwood; week beginning Sep 21, 2026; weeks not yet read; here and there; press for morePacific dogwood; week beginning Sep 28, 2026; weeks not yet read; here and there; press for morePacific dogwood; week beginning Oct 5, 2026; weeks not yet read; here and there; press for morePacific dogwood; week beginning Oct 12, 2026; weeks not yet read; here and there; press for morePacific dogwood; week beginning Oct 19, 2026; weeks not yet read; here and there; press for moreChinese pistache; week beginning Aug 31, 2026; still green; in its own places; press for moreChinese pistache; week beginning Sep 7, 2026; still green; in its own places; press for moreChinese pistache; week beginning Sep 14, 2026; still green; in its own places; press for moreChinese pistache; week beginning Sep 21, 2026; still green; in its own places; press for moreChinese pistache; week beginning Sep 28, 2026; still green; in its own places; press for moreChinese pistache; week beginning Oct 5, 2026; still green; in its own places; press for moreChinese pistache; week beginning Oct 12, 2026; still green; in its own places; press for moreChinese pistache; week beginning Oct 19, 2026; still green; in its own places; press for moreChinese pistache; week beginning Oct 26, 2026; still green; in its own places; press for moreChinese pistache; week beginning Nov 2, 2026; still green; in its own places; press for moreChinese pistache; week beginning Nov 9, 2026; color in the source’s window; no later dates yet; in its own places; press for moreChinese pistache; week beginning Nov 16, 2026; color in the source’s window; no later dates yet; in its own places; press for morePomegranate; week beginning Aug 31, 2026; still green; in its own places; press for morePomegranate; week beginning Sep 7, 2026; still green; in its own places; press for morePomegranate; week beginning Sep 14, 2026; still green; in its own places; press for morePomegranate; week beginning Sep 21, 2026; still green; in its own places; press for morePomegranate; week beginning Sep 28, 2026; still green; in its own places; press for morePomegranate; week beginning Oct 5, 2026; still green; in its own places; press for morePomegranate; week beginning Oct 12, 2026; still green; in its own places; press for morePomegranate; week beginning Oct 19, 2026; still green; in its own places; press for morePomegranate; week beginning Oct 26, 2026; still green; in its own places; press for morePomegranate; week beginning Nov 2, 2026; still green; in its own places; press for morePomegranate; week beginning Nov 9, 2026; color in the source’s window; no later dates yet; in its own places; press for morePomegranate; week beginning Nov 16, 2026; color in the source’s window; no later dates yet; in its own places; press for moreVitex; week beginning Aug 31, 2026; still green; in its own places; press for moreVitex; week beginning Sep 7, 2026; still green; in its own places; press for moreVitex; week beginning Sep 14, 2026; still green; in its own places; press for moreVitex; week beginning Sep 21, 2026; still green; in its own places; press for moreVitex; week beginning Sep 28, 2026; still green; in its own places; press for moreVitex; week beginning Oct 5, 2026; still green; in its own places; press for moreVitex; week beginning Oct 12, 2026; still green; in its own places; press for moreVitex; week beginning Oct 19, 2026; still green; in its own places; press for moreVitex; week beginning Oct 26, 2026; still green; in its own places; press for moreVitex; week beginning Nov 2, 2026; still green; in its own places; press for moreVitex; week beginning Nov 9, 2026; color in the source’s window; no later dates yet; in its own places; press for moreVitex; week beginning Nov 16, 2026; color in the source’s window; no later dates yet; in its own places; press for more

North Woods

no share recorded here

Rockies’ aspen country

no share recorded here

High Appalachians

no share recorded here

Maple country

no share recorded here

Lakes

no share recorded here

Oak and hickory country

no share recorded here

Ozarks and the mid-South

no share recorded here

Larch country

no share recorded here

Deep South and the coastal plain

no share recorded here