Stipa is a genus of about 140 species of large perennial hermaphroditic grasses collectively known as feather grass, needle grass, and spear grass. They are placed in the subfamily Pooideae and the tribe Stipeae, which also contains many species formerly assigned to Stipa, which have since been reclassified into new genera.

Stipa, or feather grass, is a hardy perennial grass ideal for borders and prairie-style plantings, providing interest from spring to autumn.

Stipa

Stipa barbata, commonly known as the bearded feather grass or silver feather grass, is a species of perennial grass native to southern Europe, North Africa, and the Levant in the Mediterranean Basin, and temperate Asia. It is valued for its elegant, feathery awns that create a shimmering effect in the wind.

Stipa barbata, or bearded feather grass, is a hardy perennial for full sun, perfect for gravel gardens, cut flowers, and low-maintenance borders.

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

Stipa barbata

Stipa bavarica is a clump-forming grass cultivar within the Stipa genus, known for its perennial grasses with arching, linear leaves. This cultivar thrives in full sun on well-drained, neutral loam soil, ideally in a sheltered, south-facing position. It is hardy to UK zone H4 and is suitable for borders and prairie-style plantings. Stipa bavarica produces narrow panicles with spikelets and long awns during summer and autumn, providing seasonal interest from spring through to autumn.

Stipa bavarica is a hardy perennial grass with arching leaves, thriving in full sun and ideal for borders and prairie-style plantings from spring to autumn.

Stipa bavarica

Under the synonym Stipa calamagrostis, this plant, and the cultivars 'Allgäu' and 'Lemperg' have won the Royal Horticultural Society's Award of Garden Merit. It is an ornamental grass native to the clearings in the mountains of central and southern Europe, which grows in mounds of blue-green leaves and long, silvery plumes. A. calamagrostis can grow up to 91 cm in height. It grows to around 0.5-1 metres tall and 0.5-1 metres wide, carrying deciduous foliage. Grow it in full sun and most soil types. It tolerates soil of any pH, moist but well-drained, well-drained conditions and west-facing, south-facing and east-facing aspects.

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

Stipa calamagrostis

Under the synonym Stipa ichu, it has won the Royal Horticultural Society's Award of Garden Merit. Jarava ichu, commonly known as Peruvian feathergrass, ichhu, paja brava, paja ichu, or simply ichu (Quechua for straw), is a grass species in the family Poaceae native to the Americas. It is found growing in a vast area: Mexico, Guatemala, Costa Rica, El Salvador, Venezuela, Bolivia, Colombia, Ecuador, Peru, Dominican Republic, Chile, and Argentina. It is a common grass of the Andean altiplano. Mature plants reach roughly 0.5-1 metres tall and 0.1-0.5 metres wide, carrying deciduous foliage. In the garden it prefers full sun and most soil types. It tolerates soil of any pH, moist but well-drained, well-drained conditions and south-facing, west-facing and east-facing aspects.

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

Stipa ichu

Stipa joannis is a clump-forming grass cultivar within the Stipa genus, known for its perennial grasses with arching, linear leaves. It thrives in full sun on well-drained, neutral loam soil, ideally in a sheltered, south-facing aspect. This cultivar is hardy to UK zone H4 and is suitable for borders and prairie-style plantings. It produces narrow panicles with spikelets and long awns during summer and autumn, offering seasonal interest from spring through autumn.

Stipa joannis is a hardy perennial grass with arching leaves, ideal for borders and prairie-style plantings from spring to autumn in full sun.

Stipa joannis

Stipa kirghisorum is a clump-forming perennial grass cultivar within the Stipa genus, known for its arching, linear leaves that may be folded or rolled. This cultivar thrives in full sun on well-drained, neutral loam soils, ideally in a sheltered, south-facing aspect. It produces narrow panicles with spikelets and long awns during summer and autumn, adding seasonal interest from spring through to autumn. Suitable for borders and prairie-style plantings, Stipa kirghisorum is hardy to UK zone H4 and can be propagated by division or seed.

Stipa kirghisorum is a hardy perennial grass with arching leaves, ideal for borders and prairie-style plantings from spring to autumn in full sun.

Stipa kirghisorum

Stipa pennata, commonly known as European feather grass, is a flowering plant and arid zone sand grass in the grass family Poaceae, which is grown as an ornamental plant for its feathery flowering spikes. It is one of the most common plants of the Eurasian Steppe from Mongolia in the east to the Puszta in Hungary and the Devínska Kobyla forest-steppe in Slovakia in the west.

Stipa pennata, or European feather grass, is a hardy H7 ornamental with feathery spikes, perfect for full sun gravel gardens and low-maintenance borders.

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

Stipa pennata

Stipa pulcherimma is a grass in the family Poaceae and a member of the genus Stipa. It produces flowers from June to September. Identification should rely on the botanical name to avoid confusion with other Stipa species. Check supplier information for specific habit and size before planting.

Stipa pulcherimma is a grass in the genus Stipa that flowers from June to September.

Stipa pulcherimma

Stipa pulcherimma | Grass profile

Stipa ramosissima, commonly known as stout bamboo grass, is a clump-forming perennial grass within the Stipa genus, which includes both evergreen and deciduous species. It features arching, linear leaves and produces narrow panicles with spikelets and long awns during summer and autumn. This grass thrives in full sun on well-drained loam soil with a neutral pH, ideally in a sheltered, south-facing aspect. Hardy to UK zone H4, it is suited to borders and prairie-style plantings and can be propagated by division or seed.

Stipa ramosissima, stout bamboo grass, is a hardy perennial with arching leaves and narrow panicles, ideal for borders and prairie-style planting from spring

Stipa ramosissima

Stipa spartea, commonly known as porcupine grass, is a clump-forming perennial grass within the Stipa genus. It features arching, linear leaves and produces narrow panicles with spikelets and long awns in summer and autumn. Suited to full sun and sheltered, south-facing positions, it thrives in well-drained, neutral loam soils. Hardy to UK zone H4, it is ideal for borders and prairie-style plantings. Maintenance includes cutting back in late winter, and it can be propagated by division or seed.

Stipa spartea, or porcupine grass, is a hardy H4 perennial with arching leaves and summer-autumn panicles, ideal for borders and prairie-style plantings.

Stipa spartea

It is still widely referenced in botanical and horticultural literature under its synonym Stipa tenuissima, and has received the Royal Horticultural Society's Award of Garden Merit under that name. Nassella tenuissima is a species of grass known by the common names Mexican feathergrass, finestem needlegrass, fineleaved nassella, and Argentine needle-grass. It is native to the south-western United States, northern Mexico and Argentina. It is well-matched to climate in Australia and can be harmful to the Australian environment. It grows to around 0.5-1 metres tall and 0.1-0.5 metres wide, carrying deciduous foliage. Grow it in full sun and most soil types. It tolerates soil of any pH, moist but well-drained, well-drained conditions and south-facing, west-facing, east-facing and north-facing aspects.

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

Stipa tenuissima

Stipa zalesskii is a grass found in Europe and Asia, from the Czech Republic east to Mongolia and south to Iran. It is an important grass in Eurasian steppe. Its culms are 30–75 cm long and the leaf-blades 20–35 cm long by 0.6–1 mm wide. It is native to Altay, Central European Russia, Czechia-Slovakia, East European Russia, Iran and other regions. In the garden it prefers full sun and loam soil. In UK gardens it is hardy through an average UK winter (RHS H4). Suggested uses include borders and prairie-style plantings. It tolerates neutral soils, well-drained conditions and south-facing aspects.

Stipa zalesskii is a hardy grass (H4) perfect for borders and prairie-style plantings, providing interest from spring to autumn in full sun.