Rocky mountain zinnia - Zinnia grandiflora (Care, Characteristics, Flower, Images)

Rocky mountain zinnia

Also known as: Texas zinnia

Rocky mountain zinnia (Zinnia grandiflora) is a small subshrub that can grow to be 22 cm tall. Rocky mountain zinnia is native to the southwestern United States, the southern central United States, and Mexico. This species was traditionally used by the Zuni people in spiritual ceremonies.

Scientific classification

Species

Rocky mountain zinnia (Zinnia grandiflora)

Asters bellflowers fanflowers and allies

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Perennial, Annual

Lifespan

Herb

Plant Type

Spring, Summer, Fall

Bloom Time

10 cm to 20 cm

Plant Height

Yellow

Flower Color

Green

Stem Color

Semi-evergreen

Leaf type

20 - 35 ℃

Ideal Temperature

Spring, Summer, Fall

Growth Season

Slow

Growth Rate

Images of Rocky mountain zinnia

Distribution of Rocky mountain zinnia

Distribution Map

Rocky mountain zinnia is a plant initially native to parts of North America and has since been introduced and cultivated in various regions with suitable climates worldwide. Its cultivation has enabled the plant to thrive beyond its native habitat, adapting to different terrains and broadening its ecological footprint.

Native

Cultivated

Invasive

Introduced

No species reported

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Habitat

Slopes, Mesas, sandy and gravelly areas, Disturbed areas, Grasslands, Prairies, Limestone, Calcareous and caliche soils

Hemisphere Trend Curve

Northern

Sorthern

Culture

Symbolism

Thoughts of an absent friend Scarlet: Constancy Yellow: Daily remembrance White: Goodness Mixed: Thinking / In memory of an absent friend Magenta: Lasting affection

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Quickly Identify Rocky mountain zinnia

Dense clusters reaching 4 to 8 inches (10 to 20 cm) in height and spread.

Large, daisy-like flowers with multiple blooms per plant, distinctive in appearance.

Needle-like leaves, 0.8 to 1 inch (2 to 2.5 cm) long, vibrant green with parallel veins.

Slender stems, 1 to 2 feet (30 to 60 cm) tall, multi-stemmed from a woody base.

Long-blooming yellow flowers, 1 inch (2.5 cm) in diameter, with dark petals and orange-brown center.

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Care Guide for Rocky mountain zinnia

Every week

Water

Partial sun

Sunlight

20 - 35 ℃

Ideal Temperature

Garden Soil

Soil Type

Water: Rocky mountain zinnia is well-suited to arid conditions, requiring minimal moisture and exhibiting high drought tolerance. It prefers infrequent watering, ideally once a week, thriving in dry climates with occasional rain that meets its water needs with little human care.

Fertilize: For rocky mountain zinnia, use a balanced fertilizer seasonally to support growth and blooms, applying every 4-6 weeks during growth. Switch to slow-release formulas and reduce frequency when dormant. Avoid foliage contact to prevent burn.

Pruning: Prune rocky mountain zinnia from early to late spring by removing dead stems and spent flowers to encourage healthy growth and continuous blooming. Trimming excessively long stems maintains a compact shape. This vital practice enhances flowering and promotes overall plant health and vigor throughout the growing season.

Propagation: Rocky mountain zinnia is a perennial that flourishes in well-drained soil and full sun. Propagation involves taking cuttings from healthy, non-flowering shoots, using a light potting mix. Dipping in rooting hormone and maintaining consistent moisture without waterlogging promotes root development in a warm, bright location away from direct sunlight.

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