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Rocky Mountains Zinnia

Zinnia grandiflorafam. Asteraceae
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Zinnia grandiflora (Rocky Mountains Zinnia) — botanical photograph
Pl. CCE3 — Zinnia grandiflora
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Overview

The Rocky Mountains Zinnia (Zinnia grandiflora) is a perennial plant belonging to the Asteraceae family, native to a wide range of regions including Western North America, Northern Mexico, parts of South America such as Argentina, Bolivia, Colombia, Ecuador, and Venezuela. This hardy plant thrives in full sun and dry conditions, making it well-suited for arid or semi-arid environments. Known for its medicinal properties, the Rocky Mountains Zinnia has been utilized by various cultures for its therapeutic benefits. With a compact stature, it reaches a height and width of approximately 0.2 meters, adding vibrant color to gardens and landscapes. While primarily recognized for its traditional uses, it can also be an attractive addition to gardens, especially in areas native to its range. Due to its medicinal properties, caution should be exercised when handling or using this plant. This perennial, with its preference for full sun and dry conditions, can be a valuable addition to gardens in hardiness zones 4-8. Its native range extends from the western United States to parts of South America, making it adaptable to diverse climates. The Rocky Mountains Zinnia's small size and attractive blooms make it a suitable choice for rock gardens, borders, or as a low-maintenance ground cover. Its hardiness and drought-resistant nature make it an ideal plant for areas with limited water resources. While primarily known for its traditional medicinal uses, it can also serve as an ornamental plant, enhancing the aesthetic appeal of gardens and landscapes. Due to its potential medicinal benefits, it is important to handle this plant with care and seek professional guidance for its use.

Quick answers

What is Rocky Mountains Zinnia?

The Rocky Mountains Zinnia (Zinnia grandiflora) is a perennial plant belonging to the Asteraceae family, native to a wide range of regions including Western North America, Northern Mexico, parts of South America such as Argentina, Bolivia, Colombia, Ecuador, and Venezuela.

Compare with:Echinacea→Aleutian ragwort→Argyranthemum foeniculaceum→all comparisons →
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Growingconditions · propagation · uses
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Cultivation

Rocky Mountains Zinnia thrives in full sun and prefers dry conditions, making it a low-maintenance addition to the garden. It is hardy in zones 4-8 and can grow up to 0.2 meters in both height and width. This perennial is native to a wide range of regions including parts of North and South America. For propagation, gardeners can use seeds or division. Regular pruning can help maintain its compact size and encourage more blooms.
Light
Full sun
Water
Dry
Hardiness
4-8
Life cycle
Perennial
Mature size
0.2 m × 0.2 m
For first-time growers

How to grow Rocky Mountains Zinnia for the first time

8steps

Start with Rocky Mountains Zinnia for a low-maintenance, beginner-friendly garden.

  1. 1

    What you'll need

    Seeds or seedlings, small pots if starting indoors, well-draining soil.

  2. 2

    Best time to plant

    Plant outdoors after the last frost in spring, or start seeds indoors about 4-6 weeks before planting.

  3. 3

    Soil and container prep

    Use a well-draining potting mix. Ensure containers have drainage holes.

  4. 4

    Sowing or transplanting

    Direct sow outdoors in full sun, or start seeds indoors and transplant seedlings after danger of frost passes.

  5. 5

    First two weeks

    Water sparingly to avoid waterlogging. Keep soil moist but not wet.

  6. 6

    Ongoing care

    Provide full sun exposure. Water only when the soil is dry to the touch, and deadhead spent flowers for continuous bloom.

  7. 7

    Harvest or pruning

    Prune back any leggy growth to encourage bushier plants. Remove dead leaves and spent blooms as needed.

  8. 8

    Common mistakes

    Overwatering, planting in heavy soil, neglecting to prune for shape.

Contextrange · companions · related
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Distribution

30 native · 33 introduced
Distribution across3 continents· 30 native· 33 introduced
Asia4 regions
native (1)Georgia
introduced (3)BangladeshChinaNepal
Americas16 regions
native (10)BoliviaColombiaEcuadorEl SalvadorGuatemalaHondurasNicaraguaParaguayPeruVenezuela
introduced (6)BahamasCubaDominican RepublicHaitiPuerto RicoUnited States
Africa9 regions
introduced (9)BotswanaCabo VerdeEritreaEswatiniEthiopiaLesothoMauritiusNamibiaZimbabwe
Broader regions
native:Argentina Northeast, Argentina Northwest, Arizona, Colorado, Florida, Kansas, Mexico Central, Mexico Gulf, Mexico Northeast, Mexico Northwest, Mexico Southeast, Mexico Southwest, New Mexico, North Carolina, Northern Mexico, Oklahoma, South Carolina, Texas, Western North America
introduced:Cape Provinces, East Himalaya, Free State, Gulf of Guinea Is., KwaZulu-Natal, Leeward Is., New South Wales, Northern Provinces, Queensland, Réunion, Rodrigues, Trinidad-Tobago, Tubuai Is.
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Specimen gallery

1 image
Zinnia grandiflora (Rocky Mountains Zinnia) — botanical photograph
Rocky Mountains Zinnia (Zinnia grandiflora)
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See also

8 related
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Explore further

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