How to Fertilize Lathyrus odoratus Heirloom?
Regular potash-rich feed through flowering season

Lathyrus odoratus Heirloom · Lathyrus odoratus Heirloom
Grow in humus-rich, fertile, well-drained soil in full sun or light dappled shade. Incorporate well-rotted organic manure before planting and apply a balanced liquid fertilizer every two weeks when in growth. Deadhead regularly to prolong flowering. See sweetpea cultivation
Regular potash-rich feed through flowering season