Ascelpias verticillata is a taxon in the genus Asclepias within the Apocynaceae family. It flowers from July to September. Gardeners should consult supplier or botanical notes for details of habit and cultivation, as requirements can vary between plants labelled under a single botanical name. Plan for the summer flowering period when siting the plant in the garden.

Ascelpias verticillata flowers from July to September and belongs to the Apocynaceae family.

Ascelpias verticillata

Ascelpias verticillata | Summer-flowering Asclepias

Asclepias curassavica 'Silky Red' is a bushy, deciduous herbaceous perennial belonging to the genus Asclepias, known for its unique clusters of small flowers arranged in umbels. This cultivar thrives in full sun on south- or west-facing, sheltered sites with fertile, moist but well-drained loam soil of neutral pH. Hardy to UK zone H4, it is suitable for city and courtyard gardens, cottage and informal gardens, as well as flower borders and beds. Propagation can be achieved through seed, division, or root basal cuttings in spring, with interest primarily in spring and summer.

Asclepias curassavica 'Silky Red' is a bushy, deciduous perennial with unique flower clusters, thriving in full sun and ideal for borders and cottage gardens.

Asclepias curassavica 'Silky Red'

Asclepias hirtella, commonly called the tall green milkweed, is a species of flowering plant in the milkweed genus and dogbane family (Apocynaceae). It is native to Canada and the United States, where its range is concentrated in the Midwest and Upper South.

Asclepias hirtella, or tall green milkweed, thrives in full sun and is ideal for cottage gardens and prairie plantings, hardy to RHS H4.

https://en.wikipedia.org/wiki/Asclepias_hirtella

Asclepias hirtella

Asclepias incarnata, the swamp milkweed, rose milkweed, rose milkflower, swamp silkweed, or white Indian hemp, is a herbaceous perennial plant species native to North America. It grows in damp through wet soils and also is cultivated as a garden plant for its flowers, which attract butterflies and other pollinators with nectar.

Asclepias incarnata, or swamp milkweed, is a hardy perennial thriving in full sun and damp soils, ideal for cottage and prairie gardens.

https://en.wikipedia.org/wiki/Asclepias_incarnata

Asclepias incarnata

Asclepias speciosa is a milky-sapped perennial plant in the dogbane family (Apocynaceae), known commonly as the showy milkweed and is found in the western half of North America. It is native to North America, Alberta, Arizona, British Columbia, California and other regions. In the garden it prefers full sun and most soil types. In UK gardens it is hardy through an average UK winter (RHS H4). Suggested uses include city and courtyard gardens, cottage and informal garden and prairie planting. It tolerates soil of any pH, moist but well-drained, poorly-drained conditions and south-facing and west-facing aspects. Plant in well-drained soil in sun or partial shade.

Asclepias speciosa is a member of the Apocynaceae family, characterized by its perennials and subshrubs that can be either evergreen or deciduous. This species showcases simple leaves and clusters of uniquely shaped flowers grouped in umbel formations, followed by paired fruits that house seeds wrapped in silky fibers.

https://en.wikipedia.org/wiki/Asclepias_speciosa

Asclepias speciosa

Asclepias syriaca, commonly called common milkweed, butterfly flower, silkweed, silky swallow-wort, and Virginia silkweed, is a species of flowering plant. It is native to southern Canada and much of the United States east of the Rocky Mountains, excluding the drier parts of the prairies. It is in the genus Asclepias, the milkweeds. It grows in sandy soils as well as other kinds of soils in sunny areas. Grow it in full sun and most soil types. In UK gardens it is hardy through an average UK winter (RHS H4). It works well for city and courtyard gardens, cottage and informal garden and prairie planting. It tolerates soil of any pH, moist but well-drained, poorly-drained conditions and south-facing and west-facing aspects. Plant in well-drained soil in sun or partial shade.

Common milkweed (Asclepias syriaca) is a member of the Apocynaceae family, characterized by its simple leaves and distinctive cluster of flowers that form an umbel. This perennial produces paired fruits filled with seeds wrapped in silky fibers, making it a vital component of its ecosystem. Also known as common silkweed, silk grass, and silky swallow wort, it plays a crucial role in supporting local wildlife.

https://en.wikipedia.org/wiki/Asclepias_syriaca

Asclepias syriaca

Asclepias tuberosa, commonly known as butterfly weed or pleurisy root, is a species of milkweed native to eastern and southwestern North America. It is commonly known as butterfly weed because of the butterflies that are attracted to the plant by its color and its copious production of nectar.

Asclepias tuberosa, or butterfly weed, thrives in full sun and attracts butterflies, ideal for wildflower meadows, cut flowers, and borders, hardy to H4.

https://en.wikipedia.org/wiki/Asclepias_tuberosa

Asclepias tuberosa

Asclepias tuberosa subsp. interior is a bushy, deciduous herbaceous perennial belonging to the genus Asclepias, which includes evergreen or deciduous perennials and subshrubs with simple, entire leaves and distinctive clusters of small flowers arranged in umbels. This cultivar thrives in full sun on south- or west-facing, sheltered sites with fertile, moist but well-drained loam soil of neutral pH. Hardy to UK zone H4, it is suitable for city and courtyard gardens, cottage and informal gardens, as well as flower borders and beds. Interest is mainly in spring and summer, and propagation can be done by seed, division, or root basal cuttings in spring.

Asclepias tuberosa subsp. interior is a bushy, deciduous perennial with distinctive flower clusters, ideal for full sun in borders and cottage gardens,

Asclepias tuberosa subsp. interior

Asclepias viridis is a species of milkweed, a plant in the dogbane family known by the common names green milkweed, green antelopehorn and spider milkweed. The Latin word viridis means green.

Asclepias viridis, or green milkweed, thrives in full sun and is hardy to RHS H4, ideal for cottage gardens and prairie plantings.