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Flowering plant bulbs are planted beneath the surface of the earth. The bulbs need some exposure to cold temperatures for 12 to 14 weeks in order to bloom. [1] Flower bulbs are generally planted in the fall in colder climates. The bulbs go dormant in the winter but they continue to absorb water and nutrients from the soil and they develop roots ...
They are around 6 cm wide. The plant can reach up to 80 cm, [3] It typically flowers in May and June, but not always. The greyish-green leaves emerge in autumn, they grow between 20–70 cm tall. [2] The leaves die after the flowers fade. [4] The Spanish iris is favoured by florists for its striking colour combinations.
Puschkinia scilloides is a small bulbous plant, growing to about 10–15 cm (4–6 in) tall. It has two narrow basal leaves that widen towards the tips (oblanceolate). The inflorescence appears in early spring and is a dense raceme with up to 20 flowers. The flowers are pale blue with a darker blue line in the centre of each tepal.
Flower. Growing to 10–20 cm (4–8 in) tall by 5 cm (2 in) wide, it is a bulbous perennial, with two to four strap-shaped leaves appearing in early spring, at the same time as the nodding, blue, bell-shaped flowers. [5] The flowers have six tepals and six stamens, and are arranged singly or in racemes of two or three. Petals may be reflexed ...
This bulb flower naturalizes well in gardens. The bulb grows best in well-drained soil high in humus. It will grow in lightly shaded forest areas and on rocky outcrops as well as in open meadows or prairies. Additionally it is found growing alongside streams and rivers. The plants may be divided in autumn after the leaves have withered. Bulbs ...
Iris vicaria has spherical bulbs and thin vertical tubers, [2] which can be damaged, when being transplanted. [3] It has arching leaves, [3] and can reach a maximum height of between 30–40 cm (12–16 in). [4] It produces between 1–4 flowers per stem, [5] on visible axils between April and May. [4] It has varied coloured flowers.
Ceratostigma plumbaginoides, the hardy blue-flowered leadwort, is a species of flowering plant in the plumbago family, native to China, where it is known as 蓝雪花 (pinyin: lánxuěhuā; lit. 'blue snow-flower').
Growing to 60 cm (24 in) tall by 30 cm (12 in) wide, it is an herbaceous perennial with dark green leaves and blue flowers in late summer. A notable feature of the plant is the flower bud, which swells like a balloon before fully opening. [4] The five petals are fused together into a bell shape at the base, like its relatives, the campanulas.