Scientific Name
Gladiolus
Common Name
Glads, Sword lilies
Summer/Fall Bulbs
Plant Fact Sheets
Consumer Hort
Geophyte Organ:
Corm
Light Requirements:
Full Sun
Height:
24-48 inches (50-100 cm)
Flowering Season:
Spring/Summer
Flower Color:
Most colors
Planting Time:
Spring
Planting Depth:
5 inches (12.5 cm)
Spacing Between Corms:
5 inches (12 cm)
Hardiness:
Tender III - injured below 25°F (2°C)
Bulb Storage:
Harvest corms after foliage dies. Store dry in mesh bags with good air circulation at 35-41°F (2-5°C)
Comments:
Good cut flower; numerous cultivars; make consecutive planting to extend flowering season
Cultivars:
G. byzantinus
(thrives in clay soil),
G. colvillei
,
G. nanus
,
G. tubergenii
,
G. rosalind
, numerous hybrid cultivars
USDA Hardiness Zones
2
3
4
5
6
7
8
9
10
11
-
Sp
Sp
Sp
Sp
Sp/M
Sp/M
M
H
H
C=container; H=hardy; M=hardy with mulch; Sp=plant spring, harvest fall; F=fall plant
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Erv Evans
, A. A. De Hertough
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