North America Native Plant

Dacite Manzanita

Botanical name: Arctostaphylos tomentosa daciticola

USDA symbol: ARTOD2

Life cycle: perennial

Habit: shrub

Native status: Native to the lower 48 states  

Dacite Manzanita: A Rare California Native Worth Protecting Meet the dacite manzanita (Arctostaphylos tomentosa daciticola), one of California’s most elusive native shrubs. This perennial evergreen is so rare that finding reliable information about it feels like searching for a needle in a haystack – and that’s exactly the point we ...

Rare plant alert!

Region: Conservation status by state

Status: S4T1: Status is uncertain but is somewhere between the following rankings: Subspecies or variety is critically Imperiled: Extremely rare due to factor(s) making it especially vulnerable to extinction. Typically 5 or fewer occurrences or very few remaining individuals (<1,000) ⚘ Apparently Secure: Uncommon but not rare, and usually widespread. Possibly cause for longterm concern. Typically more than 100 occurrences in the state or more than 10,000 individuals ⚘

Dacite Manzanita: A Rare California Native Worth Protecting

Meet the dacite manzanita (Arctostaphylos tomentosa daciticola), one of California’s most elusive native shrubs. This perennial evergreen is so rare that finding reliable information about it feels like searching for a needle in a haystack – and that’s exactly the point we need to discuss.

What Makes Dacite Manzanita Special

Dacite manzanita belongs to the beloved manzanita family, known for their distinctive reddish bark, evergreen leaves, and charming bell-shaped flowers. As a multi-stemmed woody shrub, it typically grows to heights of 13-16 feet, though it can sometimes reach taller heights or develop as a single-stemmed plant depending on environmental conditions.

This native California species carries the official conservation status of S4T1, which translates to critically imperiled – meaning it’s teetering on the edge of existence in the wild. That rarity makes it both fascinating and concerning for native plant enthusiasts.

Where You’ll Find It (Or Won’t)

Dacite manzanita calls California home, but its range is extremely limited within the state. As a native species to the lower 48 states, it represents an important piece of California’s botanical heritage.

The Reality Check for Gardeners

Here’s where we need to have an honest conversation. While dacite manzanita would undoubtedly make a stunning addition to any native garden, its critically imperiled status means it’s not readily available through normal nursery channels – and that’s actually a good thing.

Important Conservation Note: Due to its rarity status, we strongly recommend against seeking out this particular manzanita species for garden use. Any plants available should only come from responsibly sourced, propagated material – never from wild collection.

Better Alternatives for Your Garden

The good news? California offers plenty of other spectacular manzanita species that can give you that classic manzanita appeal without contributing to conservation concerns:

  • Arctostaphylos densiflora (Vine Hill manzanita)
  • Arctostaphylos edmundsii (Little Sur manzanita)
  • Arctostaphylos uva-ursi (Kinnikinnick)
  • Arctostaphylos manzanita (Common manzanita)

Growing Conditions for Manzanitas

If you do find responsibly sourced dacite manzanita, or choose one of its more available cousins, here’s what these California natives typically prefer:

  • Well-draining soil (essential – they hate wet feet)
  • Full sun to partial shade
  • Minimal summer water once established
  • USDA hardiness zones 8-10
  • Protection from strong winds in exposed locations

The Bigger Picture

Dacite manzanita serves as a reminder of how precious and fragile our native plant communities can be. While we may not be able to grow this particular species in our gardens, we can support conservation efforts and choose other native plants that provide similar benefits to local ecosystems.

By selecting more common native manzanita species for our landscapes, we’re still supporting pollinators, providing wildlife habitat, and celebrating California’s incredible botanical diversity – all while leaving the rare species to recover in their natural habitats.

The Bottom Line

Dacite manzanita represents the wild heart of California’s native flora – beautiful, unique, and deserving of protection. While it might not find a home in your garden, its story can inspire us to make thoughtful choices about the native plants we do grow, ensuring that future generations can enjoy both common and rare species in their natural settings.

Dacite Manzanita

Classification

Group

Dicot

Kingdom

Plantae - Plants

Subkingdom

Tracheobionta - Vascular plants

Superdivision

Spermatophyta - Seed plants

Division

Magnoliophyta - Flowering plants

Subdivision
Class

Magnoliopsida - Dicotyledons

Subclass

Dilleniidae

Order

Ericales

Family

Ericaceae Juss. - Heath family

Genus

Arctostaphylos Adans. - manzanita

Species

Arctostaphylos tomentosa (Pursh) Lindl. - woollyleaf manzanita

Plant data source: USDA, NRCS 2025. The PLANTS Database. https://plants.usda.gov,. 2/25/2025. National Plant Data Team, Greensboro, NC USA