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Opuntia Species, Silver Dollar Prickly Pear, Dinner Plate Cactus

Opuntiarobusta var. maxima

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Family

Cactaceae (kak-TAY-see-ee)

Info

Genus

Opuntia (op-UN-shee-a)

Info

Synonym

Sun Exposure

Sun to Partial Shade

Light Shade

Foliage

Deciduous

Height

36-48 in. (90-120 cm)

4-6 ft. (1.2-1.8 m)

Spacing

4-6 ft. (1.2-1.8 m)

6-8 ft. (1.8-2.4 m)

8-10 ft. (2.4-3 m)

Hardiness

USDA Zone 9a: to -6.6 °C (20 °F)

USDA Zone 9b: to -3.8 °C (25 °F)

USDA Zone 10a: to -1.1 °C (30 °F)

USDA Zone 10b: to 1.7 °C (35 °F)

Danger

Plant has spines or sharp edges; use extreme caution when handling

Bloom Color

Pale Yellow

Bright Yellow

Bloom Time

Mid Spring

Other Details

Category

Perennials

Shrubs

Trees

Cactus and Succulents

Water Requirements

Drought-tolerant; suitable for xeriscaping

Average Water Needs; Water regularly; do not overwater

Foliage Color

Unknown - Tell us

Where to Grow

Unknown - Tell us

Bloom Characteristics

Unknown - Tell us

Bloom Size

Unknown - Tell us

Other details

Unknown - Tell us

Soil pH requirements

6.1 to 6.5 (mildly acidic)

6.6 to 7.5 (neutral)

7.6 to 7.8 (mildly alkaline)

Patent Information

Non-patented

Propagation Methods

From woody stem cuttings

From softwood cuttings

Allow cut surface to callous over before planting

From seed; direct sow after last frost

Seed Collecting

Allow unblemished fruit to ripen; clean and dry seeds

Unblemished fruit must be significantly overripe before harvesting seed; clean and dry seeds

Properly cleaned, seed can be successfully stored

Regional

This plant is said to grow outdoors in the following regions:

Green Valley, Arizona

Phoenix, Arizona

Scottsdale, Arizona(2 reports)

Tucson, Arizona

Colton, California

Valley Center, California

Yucca Valley, California

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2 members have or want this plant for trade

Gardener's Notes:

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positive

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negative

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Opuntia Species, Silver Dollar Prickly Pear, Dinner Plate Cactus

Opuntiarobusta var. maxima

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