Cultivation
Suitability for freezing — scorpion weed
Phacelia tanacetifolia Benth.
Phacelia tanacetifolia is a cold-tolerant crop capable of withstanding brief spring and autumn frosts down to –5...–9 °C. Low temperatures are also used as an agrotechnical practice to terminate vegetation when using the plant as a green manure.
In the reference 6 varieties crop Lacy phacelia, where this is mentioned in the description.
Phacelia tanacetifolia is characterized by high biological frost resistance, which allows plants to withstand air temperature drops down to –5...–9 °C. These indicators determine the crop's adaptability to unstable temperature conditions during early spring and late autumn periods.
Exposure to sub-zero temperatures is used in agrotechnics as a method to terminate the vegetation of the crop grown as green manure. Under the influence of frost, the above-ground biomass of phacelia loses turgor and becomes brittle, which significantly facilitates the process of its subsequent incorporation into the soil layer.
General information about the subject — on the page Suitability for freezing.
Varieties of Lacy phacelia mentioned in the description
Selection based on the description text, not on official evaluation: these data are absent from registers. For specific variety details, please refer to its profile.
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