🌱
Non-native
Bulb Onion
Allium cepa
— Family: Amaryllidaceae
Height
Unknown
Sun
Full Sun
Water
Medium
🌡️ Growing Conditions
- Lifecycle
- Annual
- Season
- Cool season
- Days to Harvest
- 90–120 days
✨ Traits
🪴 Container Friendly
🎯 Uses
Edible
Culinary
🦋 Wildlife Value
No specific wildlife value noted
🌡️ USDA Hardiness Zones
3a
3b
4a
4b
5a
5b
6a
6b
7a
7b
8a
8b
9a
9b
Temp range: -40°F to 30°F
📍 Native Range
Origin: Non-native species
This plant is not native to any US state.
Also grows in (not native):
AL
AK
AZ
AR
CA
CO
CT
DE
FL
GA
HI
ID
IL
IN
IA
KS
KY
LA
ME
MD
MA
MI
MN
MS
MO
MT
NE
NV
NH
NJ
NM
NY
NC
ND
OH
OK
OR
PA
RI
SC
SD
TN
TX
UT
VT
VA
WA
WV
WI
WY
📅 Planting Calendar
🔄 Transplant
Zone 6a-7a
March 1 – March 30
🪴 Start Indoors
Zone 6a-7a
January 1 – January 30
🪴 Start Indoors
Zone 7a-8a
December 15 – January 15
🔄 Transplant
Zone 7a-8a
February 15 – March 15
🪴 Start Indoors
Zone 8a-8b
December 1 – January 1
🔄 Transplant
Zone 8a-8b
February 1 – March 1
🔄 Transplant
Zone 8a-8b · Fall
November 1 – November 30
🔄 Transplant
Zone 7a-8a · Fall
October 15 – November 15
🔄 Transplant
Zone 6a-7a · Fall
October 1 – October 30
🪴 Start Indoors
Zone 6a-7a · Fall
August 1 – August 30
🪴 Start Indoors
Zone 7a-8a · Fall
August 15 – September 15
🪴 Start Indoors
Zone 8a-8b · Fall
September 1 – September 30
🤝 Companion Plants
✅ Good Companions (6)
Carrot
· Daucus carota subsp. sativus
Dill
· Anethum graveolens
Head Lettuce
· Lactuca sativa var. capitata
Leaf Lettuce
· Lactuca sativa
Pepper
· Capsicum annuum
Tomato
· Solanum lycopersicum
⚠️ Avoid Planting Near (0)
No antagonistic plants recorded.