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Alpine Aster
Aster alpinus
Species of plant
Aster alpinus, the alpine aster or blue alpine daisy, is a species of flowering plant in the family Asteraceae, native to the mountains of Europe (including the Alps), with a subspecies native to Canada and the United States. This herbaceous perennial has purple, pink, or blue flowers in summer.
Quick Facts Aster alpinus, Conservation status ...
DescriptionAster alpinus is a caespitose herbaceous perennial that grows 10-35 cm tall. The bloom color may be blue, indigo, violet, white, or pink. In the UK this plant has gained the Royal Horticultural Society's Award of Garden Merit. Leaves are untoothed, lanceolate-spatulate, and basal.
Distribution and habitat
It grows very slowly in clay, silt, loam, silty clay, and sandy clay. Its minimum pH scale is 6 and maximum pH scale is 7.5. It grows erectly in a "single crown" form.[citation needed] Aster alpinus is native to the mountains of Europe such as the Alps and Pyrenees.
It does better in generally cooler climates. Usually it is adapted to clay, silt, loam, silty clay, sandy clay, clay loam, silt loam, sandy loam, silty clay loam and sandy clay loam soils, and prefers low fertility. The plant can tolerate only a minimum temperature of -28 °C / -18.4F after the occurrence of cell damage. It can survive medium heat of fire and requires at least 90 frost free days for proper growth.
Common daisy
Bellis perennis
Flowering plant in the daisy family Asteraceae
Bellis perennis, the daisy, is a European species of the family Asteraceae, often considered the archetypal species of the name daisy. To distinguish this species from other plants known as daisies, it is sometimes qualified as common daisy, lawn daisy or English daisy. Historically, it has also been widely known as bruisewort, and occasionally woundwort
Quick Facts Bellis perennis, Scientific classification ...
Bellis perennis is native to western, central and northern Europe, including remote islands such as the Faroe Islands, but has become widely naturalised in most temperate regions, including the Americas and Australasia.
Description
Bellis perennis is a perennial herbaceous plant with short creeping rhizomes and rosettes of small rounded or spoon-shaped leaves that are from two to five centimetres (3⁄4–2 in) long and grow flat to the ground. The species habitually colonises lawns, and is difficult to eradicate by mowing, hence the term 'lawn daisy'. It exhibits the phenomenon of heliotropism in which the flowers follow the position of the sun in the sky.
The flowerheads are composite, about two to three centimetres (3⁄4–1+1⁄4 in) in diameter, in the form of a pseudanthium, consisting of many sessile flowers with white ray florets (often tipped red) and yellow disc florets. Each inflorescence is borne on a single leafless stem two to ten centimetres (3⁄4–4 in), rarely 15 cm (6 in) tall. The capitulum, or disc of florets, is surrounded by two rows of green bracts known as "phyllaries". The achenes are without pappus.
Cultivation
Bellis perennis generally blooms from early to midsummer, although when grown under ideal conditions, it has a very long flowering season and will even produce a few flowers in the middle of mild winters.
It can generally be grown where minimum temperatures are above −35 °C (−30 °F), in full sun to partial shade conditions, and requires little or no maintenance. It has no known serious insect or disease problems and can generally be grown in most well-drained soils. The plant may be propagated either by seed after the last frost, or by division after flowering.
Though not native to the United States, the species is still considered a valuable ground cover in certain garden settings (e.g., as part of English or cottage inspired gardens, as well as spring meadows where low growth and some color is desired in parallel with minimal care and maintenance while helping to crowd out noxious weeds once established and naturalised).
Numerous single- and double-flowered varieties are in cultivation, producing flat or spherical blooms in a range of sizes (1 cm to 6 cm) and colours (red, pink and white). They are generally grown from seed as biennial bedding plants. They can also be purchased as plugs in Spring.
It has been reported to be mostly self-fertilizing, but some plants may be self-sterile.
Hardy chrysanthemums
Hardy chrysanthemums are easy-to-grow perennials in the Asteraceae (daisy) family. Unlike other chrysanthemums that are grown as annuals, these plants maintain their space in the landscape returning year after year even in colder climates. They grow into rounded open mounds about 2 to 3 feet tall and wide.
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