How to Fertilize sweet pea 'Ruby Anniversary'?
High-potash sweet pea feed every two weeks through flowering season

sweet pea 'Ruby Anniversary' · Lathyrus odoratus 'Ruby Anniversary'
Plant out seedlings 20-30cm apart after the final spring frost in well-drained but moisture-retentive humus-rich soil in full sun or very light dappled shade, and provide support. See sweetpea cultivation
High-potash sweet pea feed every two weeks through flowering season