Rhubarb — 栽培ガイド
科 Polygonaceae
収穫までの日数90 日
日光日当たり良好
耐寒性Heavy
間隔1/m² (30cm 間隔)
発芽7-21 日
耐寒区分非常に強い
発芽温度65°F
室内播種10 週前（最後の霜）
成長段階
- 苗
- 初期栽物体
- 後期栽物体/収穫可能
ゾーン別植え付け日
Frequently Asked Questions
How long does it take to grow Rhubarb?
Rhubarb takes approximately 90 days from planting to harvest.
How much sun does Rhubarb need?
Rhubarb requires full sun (6+ hours direct sunlight per day).
How far apart should I plant Rhubarb?
Plant Rhubarb at 1/sqft (12" apart) using square foot gardening spacing.
Can Rhubarb survive frost?
Rhubarb is tolerant of heavy frost and can withstand freezing temperatures.
How long does Rhubarb take to germinate?
Rhubarb seeds germinate in 7-21 days at an optimal temperature of 65°F.
When should I start Rhubarb seeds indoors?
Start Rhubarb seeds indoors 10 weeks before your last frost date, then transplant -4 weeks after last frost.