• Lassen Peak from Hat Creek

    Lassen Volcanic

    National Park California

Wildflowers

Mules ear bloom below Mt. Diller
Mules ear bloom beneath Mt. Diller
NPS Photo
 

Lassen Volcanic offers spectacular opportunities for wildflower viewing during the summer months. View photos of wildflowers in the park in our wildflowers photo gallery, download a copy of our wildflower guide featuring some of the most commonly sighted wildflowers, or download a copy of the extensive park flora list.

Blooming times vary each year and are greatly affected by the winter's snowpack. Blooming time also varies with each wildflower species. For example, mountain mules ear, snow plant, and western wallflower bloom earlier in the season, while California corn lily and silverleaf lupine tend to bloom later. Below are some rough estimates for wildflower appearance:

Park Area Elevation Range Approximate Season
Warner Valley 5,600 - 6,000' late-May through early July
Manzanita Lake 5,900 - 6,500' late-May through early July
Butte Lake 6,000 - 7,000 June through July
Southwest 6,000 - 7,500' June through July
Summit Lake 6,500 - 7,500' Late-June through early-August
Juniper Lake 6,800 - 8,000' Late-June through early-August
Lassen Peak 7,500 - 8,000' Late-July through September


 

Did You Know?

picture of car sized snowblower against 10 foot snow drifts blowing the snow above the drifts

The Lassen Volcanic National Park Main Park Road can open as early as May 10th and as late as mid-July depending on how much snow falls during the winter.