| 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. |