Alphabetical Plant Listing

Cosmos bipinnatus 'Rubinato'

Mexican Aster 'Rubinato'


Well-branched and compact, Cosmos bipinnatus 'Rubinato' is a dwarf, half-hardy annual boasting single, velvety, dark burgundy-red flowers, up to 3 in. across (7 cm), maturing to old rose. Blooming for months from early summer to fall, the ravishing blossoms are borne on branching stems above a fine, feathery foliage. Fairly pest-free and low maintenance, add this charming plant to the landscape, and you will be rewarded with abundant butterflies. This rich-flowering Cosmos is ideally suited for the patio and terrace and is a true eye-catcher in the border.

  • Grows up to 20 in. tall (50 cm) and 16 in. wide (40 cm).
  • Performs best in full sun, in average, moist, well-drained soils.
  • An ideal addition to beds and borders, containers, cottage gardens, prairies and meadows, and cutting gardens.
  • keep an eye out for aphids, slugs, and gray molds.
  • Propagate by seeds. Plant out after the danger of frost has passed at a 10 in. (25 cm) distance on a sunny spot. It will take approx. 70 days from sowing to flowering.
  • Pinching off dead blossoms will promote continuous blooming. If the flower heads remain, the cosmos will self-seed, but will not become a nuisance.
  • Cosmos bipinnatus species is native to Mexico.
  • Find where this species is invasive in the United States.
  • Discover beautiful U.S. native plant alternatives.

Cosmos: Plant Care and Growing Guide

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Requirements

Hardiness 2 – 11
Heat Zones 1 – 12
Climate Zones 1, 1A, 1B, 2, 2A, 2B, 3, 3A, 3B, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24
Plant Type Annuals
Plant Family Cosmos
Exposure Full Sun
Season of Interest Summer (Early,Mid,Late)
Fall
Height 1' – 2' (30cm – 60cm)
Spread 1' – 2' (30cm – 60cm)
Spacing 10" (25cm)
Water Needs Average
Maintenance Low
Soil Type Chalk, Clay, Loam, Sand
Soil pH Acid, Alkaline, Neutral
Soil Drainage Moist but Well-Drained
Characteristics Cut Flowers, Showy
Attracts Butterflies, Hummingbirds
Garden Uses Beds and Borders, Patio and Containers
Garden Styles Cutting Garden, Informal and Cottage, Traditional Garden

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Great Plant Combination Ideas with Cosmos

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Fleuroselect

While every effort has been made to describe these plants accurately, please keep in mind that height, bloom time, and color may differ in various climates. The description of these plants has been written based on numerous outside resources.


Requirements

Hardiness 2 – 11
Heat Zones 1 – 12
Climate Zones 1, 1A, 1B, 2, 2A, 2B, 3, 3A, 3B, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24
Plant Type Annuals
Plant Family Cosmos
Exposure Full Sun
Season of Interest Summer (Early,Mid,Late)
Fall
Height 1' – 2' (30cm – 60cm)
Spread 1' – 2' (30cm – 60cm)
Spacing 10" (25cm)
Water Needs Average
Maintenance Low
Soil Type Chalk, Clay, Loam, Sand
Soil pH Acid, Alkaline, Neutral
Soil Drainage Moist but Well-Drained
Characteristics Cut Flowers, Showy
Attracts Butterflies, Hummingbirds
Garden Uses Beds and Borders, Patio and Containers
Garden Styles Cutting Garden, Informal and Cottage, Traditional Garden

Great Plant Combination Ideas with Cosmos

Guides with Cosmos

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