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Garden Guide Bulbs and Tubers

Varieties

Elephant Ears

(Elephant Ears) Cultural instructions are the same as Caladium but bulbs must be planted 6" deep. Excellent tub plant. Some colocasia are supplied in pots. Grows 3-5' tall. Hardy in zones 9-10.

English Iris

Iris are divided into two basic types; bulbous and rhizomatous. See "Perennials" section for rhizomatous Iris.

Eranthis cilicica

(Winter Aconite) As soon as you get the corms in late summer or early fall, soak them in warm water overnight. After soaking, plant in humus-rich, well-drained soil in full sun or partial shade. Plant 3" deep and 2-4" apart. Eranthis naturalize well and are recommended for rock gardens or borders. Grows 2-3" tall and 4" wide. Blooms January-February. Hardy in zones 4-8.

Eremurus

(Foxtail Lily) Plant in spring or fall in full sun and well-drained, rich, sandy soil. Dig a hole 24" deep and form a cone of soil in the center. Spread the clump of tuberous roots so the crown rests on the cone and the top of the crown is 4–6" from top of hole. Fill in with soil. Keep well-watered during the growing season. Once planted, Eremurus do not like to be disturbed, so mark the planting area so that you do not dig there after the foliage dies back in summer. Grow 2-3' tall and 2-3' wide. Blooms late May-June. Zones 4–8.

Erythronium

(Dog Tooth Violet, Trout Lily) In early fall, plant corms 3-5" apart and 3-4" deep in well-drained, moist, humus-rich soil. Grow in light to medium shade. Mulch with organic material to conserve moisture. Water regularly during the growing season. After it blooms, do not disturb the plant. Erythronium naturalizes well and is effective in a woodland or rock garden. Grows 10" tall. Blooms in April. Hardy in zones 4-9.

Eucomis

(Pineapple Lily) Plant the bulbs in early spring in warm areas (after last frost outdoors in cold areas or inside in pots) leaving the necks barely exposed. Grow in a pot or in the garden in welldrained, sandy, humus-rich soil in full sun or light shade. When you see growth, begin to water and feed regularly. It thrives in high humidity. To induce blooming, alternate periods of wetness and dryness. In cold climates, lift bulbs from the garden and keep indoors in pots for the winter. Grows 12-15" tall. Blooms July-August. Hardy in zones 7–10.

Fairy Lily

(Fairy Lily) Plant in spring in full sun in well-drained, sandy soil. Space bulbs 3-4" apart and 1-2" deep. In areas where bulbs are not hardy, dig them in the fall and store them in warm, dry material for the winter. Grows 8-10" tall, Blooms June-July. Hardy in zones 8-11. Indoor Culture: Plant 5-6 bulbs 2" deep in a 6" pot. Water thoroughly. Keep in a cool, dark area until the foliage emerges. Move to a sunny location with a night temperature of 50°. After the foliage dies, do not water for 10 weeks. To induce flowering, begin the cycle again.

Feather Hyacinths

(Grape & Feather Hyacinth) Plant in fall in well-drained soil in full sun to light shade 3-4" deep and 3" apart, preferably in clumps of 10-12 bulbs. Do not fertilize. They multiply freely and can be left undisturbed for years. Height depends on variety. Blooms April-May. Hardy in zones 3-9. Indoor Culture: Plant 5 or 6 bulbs in a 6" pot. Plant 1" deep and 2" apart.

Four O'Clocks

(Mirabilis jalapa, Four o'clocks) This heirloom, tuberous perennial quickly develops into a bushy plant that is covered with fragrant, trumpetlike blossoms; Carrot-shaped, top sized tubers; 1 plant per sq. ft. ; blooms mid summer to frost; overwinterize in zones 7-9, with extra winter mulch. Hardy in zones 8-10.

Foxtail Lily

(Foxtail Lily) Plant in spring or fall in full sun and well-drained, rich, sandy soil. Dig a hole 24" deep and form a cone of soil in the center. Spread the clump of tuberous roots so the crown rests on the cone and the top of the crown is 4–6" from top of hole. Fill in with soil. Keep well-watered during the growing season. Once planted, Eremurus do not like to be disturbed, so mark the planting area so that you do not dig there after the foliage dies back in summer. Grow 2-3' tall and 2-3' wide. Blooms late May-June. Zones 4–8.



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