North America Native Plant

Waldo Manzanita

Botanical name: Arctostaphylos ×cinerea

USDA symbol: ARCI

Life cycle: perennial

Habit: shrub

Native status: Native to the lower 48 states  

Synonyms: Arctostaphylos bracteata Howell (ARBR5)  âš˜  Arctostaphylos intricata Howell var. oblongifolia (Howell) Munz (ARINO)  âš˜  Arctostaphylos oblongifolia Howell (AROB4)  âš˜  Arctostaphylos strigosa Howell (ARST10)   

Waldo Manzanita: A Pacific Northwest Native Worth Knowing If you’re looking to add a touch of Pacific Northwest authenticity to your garden, Waldo manzanita (Arctostaphylos ×cinerea) might just be the shrub you didn’t know you needed. This native beauty brings that quintessential West Coast charm that makes gardeners swoon – ...

Waldo Manzanita: A Pacific Northwest Native Worth Knowing

If you’re looking to add a touch of Pacific Northwest authenticity to your garden, Waldo manzanita (Arctostaphylos ×cinerea) might just be the shrub you didn’t know you needed. This native beauty brings that quintessential West Coast charm that makes gardeners swoon – though admittedly, it’s one of the more mysterious members of the manzanita family.

What Exactly Is Waldo Manzanita?

Waldo manzanita is a perennial shrub that’s native to the lower 48 states, specifically calling California and Oregon home. The × in its scientific name gives away a little secret – this is actually a hybrid manzanita, which explains why you might not find as much information about it as some of its more famous manzanita cousins.

Like other manzanitas, this is a multi-stemmed woody shrub that typically stays under 13-16 feet in height, though it usually grows much smaller in garden settings. It’s got several stems that arise from near the ground, giving it that classic manzanita architecture that landscape designers love.

Why Consider Waldo Manzanita for Your Garden?

Here’s where things get interesting (and a bit challenging). As a hybrid species, Waldo manzanita doesn’t have the extensive research backing that some other native plants enjoy. But here’s what we do know makes it appealing:

  • It’s genuinely native to the Pacific Northwest region
  • As a manzanita, it likely shares the drought-tolerant characteristics of its relatives
  • The multi-stemmed growth habit provides excellent structure in landscape design
  • It has several botanical synonyms, suggesting it’s been recognized by botanists for some time

The Reality Check

Let’s be honest – Waldo manzanita is a bit of an enigma in the gardening world. While it’s officially recognized as a species, detailed growing information is surprisingly scarce. This could mean a few things: it might be quite rare in cultivation, it could be challenging to grow, or it simply hasn’t caught the attention of mainstream horticulture yet.

Growing Conditions and Care

Since specific growing information for Waldo manzanita is limited, your best bet is to treat it like other Pacific Northwest manzanitas. This likely means:

  • Well-draining soil (manzanitas typically hate wet feet)
  • Full sun to partial shade
  • Minimal water once established
  • Good air circulation
  • Avoiding rich, fertile soils that many manzanitas find overwhelming

Should You Plant It?

If you can actually find Waldo manzanita at a native plant nursery, and you’re feeling adventurous, it could be a unique addition to a native plant collection. However, given the limited information available, you might want to consider some of its better-documented manzanita relatives instead.

For reliable alternatives, look into species like Arctostaphylos uva-ursi (kinnikinnick) or Arctostaphylos columbiana (hairy manzanita), which offer similar native appeal with much more established growing guidelines.

The Bottom Line

Waldo manzanita represents one of those intriguing native plants that exists in a sort of horticultural twilight zone – officially recognized but practically mysterious. If you’re a collector of rare natives or simply love a gardening challenge, it might be worth seeking out. For most gardeners, though, exploring some of the more readily available and better-understood manzanita species might be a more practical starting point for bringing that beautiful Pacific Northwest native aesthetic to your landscape.

Remember, the best native plant is one you can actually grow successfully – and sometimes that means choosing the cousin over the enigma.

Waldo 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 ×cinerea Howell (pro sp.) [canescens × viscida] - Waldo manzanita

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