Comfrey
Comfrey, a perennial plant with multiple virtues, is often used as green manure in vegetable gardens. Its scientific name, Symphytum officinale, derives from the Greek “symphyo” meaning “I weld myself”. This name refers to the belief that comfrey leaves, when applied to wounds, would be able to “weld” the tissues. But far from being limited to this medicinal role, comfrey is also a precious ally for the vegetable garden soil.
Thanks to its deep and powerful root system, comfrey is able to extract nutrients and minerals from the soil, such as nitrogen, phosphorus, potassium and calcium, which its long roots have previously drawn from deep. By harvesting these elements and storing them in its leaves, it makes a very rich natural green manure. In addition to providing essential nutrients to other plants in the vegetable garden, comfrey also improves the structure of the soil by aerating it and making it…
Thanks to its deep and powerful root system, comfrey is able to extract nutrients and minerals from the soil, such as nitrogen, phosphorus, potassium and calcium, which its long roots have previously drawn from deep. By harvesting these elements and storing them in its leaves, it makes a very rich natural green manure. In addition to providing essential nutrients to other plants in the vegetable garden, comfrey also improves the structure of the soil by aerating it and making it…
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Comfrey
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- Exposure
- Hardiness
- Cultivation difficulty
- Sowing depth
- Plant spacing
- Row spacing
- Emergence time
- Emergence temperature
- Lifecycle
- Adult height
- Type of soil
- Soil pH preference
- Seed storage