Flowering Time | Planting Depth | Spacing | Flowering Height | Suitable for naturalizing | Comments |
VERY EARLY SPRING |
Miniature Iris |
3" |
2-3" |
4-6" |
Y |
Good for borders |
Snow Crocus |
3" |
2-3" |
3" |
Y |
Multiplies annually |
Snowdrops |
3" |
2-3" |
5" |
Y |
Long-lasting |
Snow Glories |
3" |
2-3" |
4-5" |
Y |
Long-lasting |
Stardrift |
3" |
2-3" |
4-5" |
Y |
Long-lasting |
Winter Aconite |
3" |
2-3" |
3-4" |
Y |
Ground Cover |
EARLY SPRING |
Emperor Tulips |
6" |
3-6" |
14-16" |
N |
Cut flowers |
Giant Crocus |
3" |
2-3" |
5" |
Y |
Borders |
Hyacinths |
6" |
4-6" |
8-10" |
N |
Fragrant |
Jumbo Crocus |
3" |
3-4" |
4-5" |
Y |
Borders |
Kaufmanniana Tulips |
6" |
3-6" |
5-15" |
N |
Borders |
Mardi Gras |
6" |
2-4" |
7-8" |
Y |
Rock gardens |
Star of Holland |
3" |
2-3" |
6" |
Y |
Long-lasting |
Trumpet Daffodils |
6" |
4-6" |
14-20" |
Y |
Cut flowers |
Grecian Windflowers |
3" |
2-3" |
3-6" |
Y |
Ground cover |
MID-SPRING |
Crown Imperials |
8" |
8-12" |
36" |
N |
Prevents rodents |
Double Early Tulips |
6" |
3-6" |
8" |
N |
Borders |
Fritillaria Persica |
4" |
4-8" |
3-4" |
N |
Borders |
Grape Hyacinths |
3" |
2-3" |
6-8" |
Y |
Ground Cover |
Greigii Tulips |
6" |
3-6" |
10-14" |
N |
Borders |
Multi-Floral Tulips |
6" |
3-6" |
4-20" |
N |
Long-lasting |
Perennial Tulips |
6-9" |
3-6" |
16-26" |
Y |
Borders |
Spring Star Flower |
3" |
2-3" |
5" |
Y |
Multiplies annually |
Summer Snowflake |
4" |
4" |
8-14" |
Y |
Long-lasting |
Triumph Tulips |
6" |
3-6" |
14-22" |
N |
Cut flowers |
LATE SPRING |
Arum dracunculus |
5-6" |
10-12" |
14-20" |
Y |
Long-lasting |
Arum italicum |
5-6" |
4-6" |
10-15" |
Y |
Good in shade |
English Bluebells |
2" |
2-3" |
10-14" |
Y |
Ground cover |
Double Late Tulips |
6" |
3-6" |
18-22" |
N |
Cut flowers |
Fringed Tulips |
6" |
3-6" |
22-30" |
N |
Border |
Lily-Flowering Tulips |
6" |
3-6" |
20-26" |
N |
Cut flowers |
Parrot Tulips |
6" |
3-6" |
20-28" |
N |
Bouquets |
Peony-Flowering Tulips |
6" |
3-6" |
18-22" |
N |
Bouquets |
Rembrandt Tulips |
6" |
3-6" |
20-24" |
N |
Bouquets |
Wood Hyacinths |
4" |
3-4" |
8" |
Y |
Ground cover |
LATE SPRING - EARLY SUMMER |
Giant Allium |
3-8" |
2-6" |
22-36" |
Y |
Dried arrangements |
Calochortus |
3-5" |
6" |
24" |
N |
Resemble tulips |
Camassia |
3-4" |
6" |
15" |
Y |
Ground cover in shade |
Dichelostemma |
3-5" |
4" |
24-30" |
N |
Also known as Firecracker Flower |
Hardy Glads |
6" |
3-6" |
20-24" |
N |
Bloom in early summer |
Iris Bearded |
2-4" |
12-18" |
28-40" |
N |
Blooms in late spring/early summer |
Dwarf Reblooming |
2-4" |
6-12" |
10-15" |
N |
Blooms in spring |
|
2-4" |
12-24" |
28-40" |
N |
Blooms mid-spring/early summer and again in mid-summer/early fall |
Mountain Bells |
3" |
2-3" |
10-14" |
Y |
Borders |
Mountain Lilies |
4" |
3-4" |
15" |
Y |
Cut flowers |
Pink Buttercups |
2" |
3-4" |
3" |
Y |
Long blooming season |
Poppy Anemones |
2" |
2-4" |
10-14" |
N |
Not winter hardy; plant in spring |
Tall Dutch Iris |
4" |
3-4" |
16-24" |
Y |
Cut flowers |
MID - LATE SUMMER |
Astilbe |
1-2" |
2" |
24" |
N |
Flower plumes continue to add interest as dried flowers after colour has faded. |
Begonias |
1-2" |
* |
6-14" |
N |
10-12"apart in garden; 4-6" in containers |
Calla |
3" |
12-15" |
18-24" |
N |
Keep moist in summer. Good for pots too. Lift before frost. |
Canna |
3" |
15-24" |
2-4" |
N |
Start indoors in very cold climates. Lift before frost. |
Crocosmia |
5" |
4-6" |
2-3' |
N |
Fall-lifting is only necessary in northern climates. |
Dahlias |
Dinnerplate |
2" |
2-3" |
3-4" |
M |
Provide moisture and lots of sun. Your dahlias will reward you with lots of blooms. Lift before frost. |
Dwarf |
2" |
12-18" |
12" |
" |
same as above |
Mixed |
2" |
24-36" |
3-5' |
N |
same as above |
Pompon |
2" |
12-18" |
3-4' |
N |
same as above |
Windowbox |
2" |
12-18" |
12" |
|
same as above |
Daylilies |
2-3" |
15-24" |
18-36" |
Y |
Enjoy a steady succession of bell-shaped blooms all summer. |
Gladiolus |
Hardy (Nanus) |
6" |
4-6" |
3-5' |
N |
Plant at one-to-two wk intervals. Begin after last frost and continue until about two mos. before first fall frost. |
Orchidola |
6" |
4-6" |
20-24" |
N |
same as above |
Dwarf |
6" |
4-6" |
18-24" |
N |
same as above |
Hardy Cyclamen |
4" |
12" |
4-6" |
Y |
Bloom in late summer |
Lilies |
6-9" |
6-9" |
1 1/2 - 4' |
Y |
Fragrant, cut flower |
Peony |
1-2" |
3' |
27-48" |
N |
Planting depth refers to maximum distance eyes on tubers should be placed below the surface. |
Phlox |
Tall Hybrid |
1" |
18-24" |
2-3" |
N |
Great as a backdrop to lower growing plants. |
creeping |
1" |
8-12" |
3-6" |
N |
Hardy ground cover. Mass of blooms in late spring. |