Allium protensum
- Families: Amaryllidaceae Allioideae Allieae
- English name: Stretching Onion
- Plant ID : 18563
- Author : er Erland Berg Wendelbo
- Zone : Asia
- Biological type : bulb
- Adult size (h x w) : 0,66f x 0,66f
- Sun exposure : full sun
- Evergreen : deciduous in summer
- Growth : average
- Hardiness : 5°F
- Leaf color : dark green
- Flower color : white
- Formerly of wild origin : no
- Native : no
- In danger : no
- Edible : no
- FrostResistance >-5°C : yes
- FrostResistance >-8°C : yes
- FrostResistance >-12°C : yes
