Spring-Planted Bulbs

Common Name Latin Name Hardiness Zone Soil Sun/
Shade*
Spacing (inches) Depth (inches) Blooming Season Height (inches) Notes
Acidanthera Gladiolus callianthus 9-11 Well-drained/
fertile
6 4 Summer to early fall 24-36 Hardy with mulch in Zones 7 and 8; north of Zone 7, lift in fall
Allium Allium 3-10 Well-drained/
moist
12 3-4 Spring to summer 6-60 Usually pest-free; a great cut flower
Amaryllis Amaryllis 9-11 Well-drained/
moist
12 4-6 Summer 18-36 North of Zone 9, lift in fall
Autumn-flowering crocus Crocus 3-8 Well-drained/
fertile
4-5 3-4 Fall 3-6 Plant in clumps of five or six
Begonia, tuberous Begonia 10-11 Well-drained/
moist
12-15 1-2 Summer to fall 8-18 North of Zone 10, lift in fall
Blazing star/gayfeather Liatris 7-10 Well-drained 6 4 Summer to fall 8-20 An excellent flower for drying; north of Zone 7, plant in spring, lift in fall
Blood lily Haemanthus 9-11 Well-drained/
moist
6-8 Level Summer 18 North of Zone 7, plant in pot, lift in fall
Buttercup/crowfoot Ranunculus 9-11 Very well-drained/
moist/sandy
8 2 Spring to summer 10-18 An excellent cut flower; north of Zone 9, plant in spring, lift in fall
Caladium Caladium 10-11 Well-drained/
moist
8-12 2 Summer 8-24 North of Zone 10, plant in spring, lift in fall
Calla lily Zantedeschia 8-10 Well-drained/
moist
8-24 1-4 Summer 24-36 Fragrant; north of Zone 8, plant in spring, lift in fall
Canna Canna 8-11 Well-drained/
moist
12-24 Level Summer 18-60 North of Zone 8, plant in spring, lift in fall
Corn lily Ixia 8-10 Well-drained/
fertile/sandy
6 3 Spring to summer 18 North of Zone 8, plant in spring, lift in fall
Cupid's bower/hot-water plant Achimenes 10-11 Well-drained/
moist
3-4 1 Summer to fall 12-24 Store in pots in fall; excellent as a houseplant or in a hanging basket
Cyclamen Cyclamen 7-9 Well-drained/
moist
4 1-2 Spring to fall 3-12 Naturalizes well in warm areas; north of Zone 7, lift in fall
Dahlia Dahlia 9-11 Well-drained/
fertile
12-36 4-6 Late summer 12-60 North of Zone 9, lift in fall
Daylily Hemerocallis 3-10 Adaptable to
most soils
12-24 2 Summer 12-36 Mulch in winter in Zones 3 to 6
Four o'clocks Mirabilis jalapa 8-11 Well-drained 24 1 Summer 24 North of Zone 8, lift in fall
Freesia Freesia 9-11 Well-drained/
moist/sandy
2-4 2 Summer 12-24 Fragrant; can be grown outdoors in warm climates
Garden gloxinia Incarvillea 4-8 Well-drained/
moist
12 3-4 Summer 6-20 Does well in woodland settings
Gladiolus Gladiolus 4-11 Well-drained/
fertile
4-9 3-6 Early summer to early fall 12-80 North of Zone 10, lift in fall
Harlequin flower Sparaxis 7-10 Well-drained 2-3 2 Fall 12 Naturalizes well in warm areas; north of Zone 7, lift in fall
Iris Iris 3-10 Well-drained/
sandy
3-6 4 Spring to late summer 3-72 Divide and replant rhizomes every two to five years
Kaffir lily Schizotylis 6-10 Moist/
fertile
9-12 2 Summer 18-24 Does well near streams in warm areas; north of Zone 6, plant in containers, move indoors in fall
Lily, Asiatic/Oriental Lilium 3-8 Well-drained 8-12 4-6 Early summer 36 Fragrant; self-sows; requires excellent drainage
Lords and ladies Arum 6-9 Well-drained/
moist
12 4-5 Summer 6-18 Leave in ground to multiply
Meadow saffron Colchicum 4-9 Well-drained/
moist
3-4 4 Summer to early fall 7-10 Extremely hardy
Montbretia Crocosmia 5-9 Well-drained/
moist
6-8 3-5 Summer 24-36 Grows especially well in rock gardens
Peacock flower Tigridia 8-10 Well-drained 5-6 4 Summer 18-24 North of Zone 8, lift in fall
Peruvian daffodil Hymenocallis 8-10 Well-drained/
fertile
10-12 4-6 Summer 24 North of Zone 8, lift in fall
Polianthes Polianthes 9-10 Well-drained/
moist
6 3 Summer to fall 24-48 North of Zone 9, lift in fall
Roscoea Roscoea 6-9 Well-drained 6 4 Summer to fall 6-24 Hardy to Zone 6 with mulch
Shamrock/sorrel Oxalis 5-9 Well-drained 4-6 2 Summer 2-12 Plant in confined area to control
Summer hyacinth Galtonia 6-10 Well-drained/
fertile/sandy
18-24 6 Summer to fall 12-48 North of Zone 6, lift in fall
Windflower Anemone 3-9 Well-drained/
moist
3-6 2 Early summer 3-18 North of Zone 6, lift in fall
*
full sun = full sun
partial sun = partial shade
full shade = full shade
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