Grape hyacinth: Sowing, planting and harvest calendar
How do you sow grape hyacinths outdoors?
Choose clearly identified grape hyacinth seed and check the instructions for its species. Autumn sowing in a pot outdoors or in a cold frame is an option for the hardy forms commonly grown in gardens. Do not expect seedlings to reproduce a named cultivar exactly: the young plants can differ from the parent.
Prepare a pot with drainage holes and a fine, freely draining growing medium. Moisten it before scattering the seeds thinly, then cover them lightly as directed for your seed lot. Write the name and date on a durable label. Stand the pot somewhere sheltered from heavy downpours rather than moving it into a heated room to force faster germination.
Keep the medium moist but never waterlogged. Germination can be slow and uneven: do not empty a pot simply because nothing has appeared after a few weeks. Follow any chilling or preparation requirements given for your seeds. Once seedlings emerge, retain their fine leaves and avoid repeatedly disturbing the roots. Allow the little bulbs to grow before transplanting them. Flowering may take several seasons; separating offsets is another method and is better suited to preserving a particular selection.
How do you plant grape hyacinth bulbs?
When do grape hyacinths flower?
