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Data provenancePermapeopleTreflePFAFeditorially reviewedreviewed 19 Oct 2026methodology → read
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Rio Grande Cottonwood

Populus deltoides wislizeniifam. Salicaceae
Educational content — not medical, botanical, or professional advice. Always consult a qualified clinician before using any herbal preparation — especially during pregnancy, breastfeeding, while on medication, or for children. How we source & review →
medicinaledibletall treesedibleedible leafmedicinalnative amshade toleranttree
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Populus deltoides wislizenii (Rio Grande Cottonwood) — botanical photograph
Pl. D49E — Populus deltoides wislizenii
Populus deltoides wislizeniiPopulus deltoides wislizeniiPopulus deltoides wislizeniiPopulus deltoides wislizeniiPopulus deltoides wislizeniiPopulus deltoides wislizeniiPopulus deltoides wislizeniiPopulus deltoides wislizeniiPopulus deltoides wislizeniiPopulus deltoides wislizeniiPopulus deltoides wislizeniiPopulus deltoides wislizeniiPopulus deltoides wislizeniiPopulus deltoides wislizenii
I

Overview

Rio Grande Cottonwood (Populus deltoides wislizenii) is a large, single-stemmed tree native to the southwestern United States and northern Mexico, including regions of Arizona, Colorado, New Mexico, Texas, Utah, and Wyoming. This tree thrives in full sun and prefers moist, well-draining soil that can be light (sandy), medium, or heavy (clay). It can grow up to 30 meters tall and is known for its rapid growth rate, making it a valuable ornamental and ecological asset. The tree's edible parts, including flowers, inner bark, leaves, and seeds, provide sustenance to those familiar with its use. In traditional contexts, Rio Grande Cottonwood is noted for its potential benefits in supporting energy and focus, often used in tinctures for clarity and study routines. However, this information is presented for ethnobotanical context and should not be interpreted as medical advice. The tree is also valued for its utility in erosion control and lumber production. Its ability to grow in a variety of soil types and its rapid growth make it a useful addition to landscaping and reforestation projects. While it is not drought-resistant, its moisture-tolerant nature allows it to thrive in a range of environments. For propagation, seeds or inner bark can be used, and the soil pH should ideally range between 5.2 and 7.3 for optimal growth.

Quick answers

What is Rio Grande Cottonwood?

Rio Grande Cottonwood (Populus deltoides wislizenii) is a large, single-stemmed tree native to the southwestern United States and northern Mexico, including regions of Arizona, Colorado, New Mexico, Texas, Utah, and Wyoming.

What is Rio Grande Cottonwood used for?

Traditionally used for energy & focus. Each claim is evidence-rated — see Section II for full citations.

Compare with:Salix bakko→Populus pseudosimonii→all comparisons →
Best for
Top 1 evidence-ranked use of Rio Grande Cottonwood
Jump to full evidence →
Clinicaluses · safety · chemistry · dosagemedicinal profile
II

Benefits & evidence

1 claim · traditional-use context
Traditional-use context
These notes are presented as ethnobotanical context. No cited clinical references are catalogued for this plant yet.
  • Traditional-use note: Rio Grande Cottonwood appears in herbal sources around clarity and study-routine traditions, often as a tincture. PlantSage presents this as ethnobotanical context, not as medical advice.

    Traditional context only. This reviewed claim keeps the original low confidence level, but avoids treatment, disease, dosage, or guaranteed-effect language.

IV·b

Mixology suggestions

1 draft
Editorial drafts. These pairings are AI-suggested from traditional herbal lore. Always verify with a qualified herbalist before brewing.
Rio Grande Cottonwood support blend
general
tea
AI returned a direct ingredient list; normalized into one draft blend for editorial review.
Growingconditions · propagation · uses
V

Cultivation

Rio Grande Cottonwood thrives in full sun and prefers moist, well-draining soil that can be light (sandy), medium, or heavy (clay). The tree is hardy in temperate regions and can grow up to 30 meters tall. For propagation, use seeds or inner bark. Edible parts include flowers, inner bark, leaves, and seed. Ensure the soil pH ranges between 5.2 and 7.3 for optimal growth.
Light
Full sun
Water
Moist
Soil
Light (sandy), Medium, Heavy (clay)
Habit
Tree
Mature size
30.0 m tall
Soil pH
5.2–7.3
For first-time growers

How to grow Rio Grande Cottonwood for the first time

7steps

Start with planting Rio Grande Cottonwood in a sunny spot and follow these steps for success.

  1. 1

    What you'll need

    Seeds or young saplings, garden gloves, spade, watering can.

  2. 2

    Best time to plant

    Plant seeds in spring after the last frost or transplant young saplings anytime from early spring to late fall.

  3. 3

    Soil and container prep

    Ensure soil is well-draining with a pH between 5.2 and 7.3; loosen the topsoil if planting in containers.

  4. 4

    Sowing or transplanting

    For seeds, sow them shallowly in moist soil; for saplings, dig a hole twice as wide but not deeper than the root ball.

  5. 5

    First two weeks

    Water regularly to keep the soil consistently moist; mulch around the base to retain moisture and suppress weeds.

  6. 6

    Ongoing care

    Provide full sun exposure, water deeply once a week during dry periods, and prune in late winter or early spring.

  7. 7

    Harvest or pruning

    Prune young trees for shape; harvest leaves, flowers, and inner bark as needed for culinary or medicinal use.

VI

Edible & utility

Edible parts:FlowersInner barkLeavesSeed
Edible uses: Gum
Other uses:GumRooting hormoneErosion controlLumber
Contextrange · companions · related
VII

Distribution

7 native · 0 introduced
Distribution across0 continents· 7 native
Broader regions
native:Arizona, Colorado, Mexico Northeast, New Mexico, Texas, Utah, Wyoming
IX

Specimen gallery

1 image
Populus deltoides wislizenii (Rio Grande Cottonwood) — botanical photograph
Rio Grande Cottonwood (Populus deltoides wislizenii)
X

See also

8 related

Plants you might compare or use together — scored by shared family (Salicaceae), common use cases, and growing requirements.

same family · Salicaceae
Botanical relatives — often share phytochemistry + growing needs.
XI

Explore further

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