Hyacinth plant profile
Hyacinthus orientalis
A perennial ornamental for full sun.
Last updated .
When to plant
When to plant Hyacinth
Hyacinth is a fall-planted spring bloomer. Plant the bulbs in fall once the soil has cooled (Clemson: wait until soil stays below 60 F), before the ground freezes, for spring flowers.
The calendar shows this cited seasonal window as an approximate band. It does not convert the season into frost-adjusted dates.
Open Hyacinth in my garden calendarShows the source-backed planting season, not frost-adjusted dates.
Growing conditions
- Sun
- Full sun
- Planting depth
- 4 in
- Soil pH
- 6 to 7
- Lifecycle
- Perennial
- Spacing
- 3 to 6 in apart
Common problems
Watch for these
Also watch for: failure to bloom, bulb rot.
Next steps
Continue with Hyacinth
Evidence trail
Evidence behind this profile
Original extension and institutional publications behind the planting, care, and safety facts on this page.
- Spring-Flowering Bulbs (HGIC 1155)
Clemson Cooperative Extension, Home & Garden Information Center. Supports general reference. Checked 2026-06-13.
- Toxic and Non-Toxic Plants: Hyacinth (Hyacinthus orientalis) entry
ASPCA Animal Poison Control Center. Supports pet-safety verdicts for dogs and cats. Checked 2026-07-18.