HOW TO GROW BULBS

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

SPRING-PLANTED BULBS

COMMON NAME

LATIN NAME

HARDINESS

ZONE

SOIL

LIGHT* SPACING (INCHES)

ALLIUM

Allium

3–10

Well-drained/moist

I

12

BEGONIA, TUBEROUS

Begonia

10–11

Well-drained/moist

YU

12–15

BLAZING STAR/

Liatris

7–10

Well-drained

I

6

GAYFEATHER

         

CALADIUM

Caladium

10–11

Well-drained/moist

YU

8–12

CALLA LILY

Zantedeschia

8–10

Well-drained/moist

IY

8–24

CANNA

Canna

8–11

Well-drained/moist

I

12–24

CYCLAMEN

Cyclamen

7–9

Well-drained/moist

Y

4

DAHLIA

Dahlia

9–11

Well-drained/fertile

I

12–36

DAYLILY

Hemerocallis

3–10

Adaptable to most soils

IY

12–24

FREESIA

Freesia

9–11

Well-drained/moist/sandy

IY

2–4

GARDEN GLOXINIA

Incarvillea

4–8

Well-drained/moist

I

12

GLADIOLUS

Gladiolus

4–11

Well-drained/fertile

IY

4–9

IRIS

Iris

3–10

Well-drained/sandy

I

3–6

LILY, ASIATIC/ORIENTAL

Lilium

3–8

Well-drained

IY

8–12

PEACOCK FLOWER

Tigridia

8–10

Well-drained

I

5–6

SHAMROCK/SORREL

Oxalis

5–9

Well-drained

IY

4–6

WINDFLOWER

Anemone

3–9

Well-drained/moist

IY

3–6

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

FALL-PLANTED BULBS

BLUEBELL

Hyacinthoides

4–9

Well-drained/fertile

IY

4

CHRISTMAS ROSE/HELLEBORE

Helleborus

4–8

Neutral–alkaline

IY

18

CROCUS

Crocus

3–8

Well-drained/moist/fertile

IY

4

DAFFODIL

Narcissus

3–10

Well-drained/moist/fertile

IY

6

FRITILLARY

Fritillaria

3–9

Well-drained/sandy

IY

3

GLORY OF THE SNOW

Chionodoxa

3–9

Well-drained/moist

IY

3

GRAPE HYACINTH

Muscari

4–10

Well-drained/moist/fertile

IY

3–4

IRIS, BEARDED

Iris

3–9

Well-drained

IY4

 

IRIS, SIBERIAN

Iris

4–9

Well-drained

IY

4

ORNAMENTAL ONION

Allium

3–10

Well-drained/moist/fertile

I

12

SNOWDROP

Galanthus

3–9

Well-drained/moist/fertile

IY

3

SNOWFLAKE

Leucojum

5–9

Well-drained/moist/sandy

IY

4

SPRING STARFLOWER

Ipheion

6–9

Well-drained loam

IY

3–6

 

uniflorum

       

STAR OF BETHLEHEM

Ornithogalum

5–10

Well-drained/moist

IY

2–5

STRIPED SQUILL

Puschkinia

scilloides

3–9

Well-drained

IY

6

         

TULIP

Tulipa

4–8

Well-drained/fertile

IY

3–6

WINTER ACONITE

Eranthis

4–9

Well-drained/moist/fertile

IY

3