Outdoor Planting Chart for Bulbs
Click here to view our infomation about planting bulbs outdoors.
Use deeper depths for colder areas and in sandy soils.
*Additional planting information is in descriptions or footers.
‡Corms: soak 24 hours before planting.
| Flower Genus | Distance Apart | Planting Depth |
|---|---|---|
| ALLIUM, large | 6-14" apart | 4-8" |
| ALLIUM, small | 1-4" apart | 3-4" |
| ANEMONE blanda ‡ | 3-4" apart | 2-3" |
| CAMASSIA | 6-10" apart | 4-6" |
| CHIONODOXA | 1-3" apart | 3-4" |
| CROCUS | 1-4" apart | 3-4" |
| ERANTHIS ‡* | 2-4" apart | 2-4" |
| FRITILLARIA, large* | 8-10" apart | 6-8" |
| FRITILLARIA, small | 4-5" apart | 3-4" |
| GALANTHUS* | 2-4" apart | 3-4" |
| HYACINTH* | 3-4" apart | 5-8" |
| HYACINTHOIDES* | 3-4" apart | 3-5" |
| IPHEION* | 1-3" apart | 2-3" |
| IRIS, dwarf | 1-4" apart | 3-4" |
| IRIS, dutch | 3-4" apart | 6-8" |
| LEUCOJUM* | 2-3" apart | 2-3" |
| MUSCARI | 2-4" apart | 3-4" |
| NARCISSUS | 4-6" apart | 6-10" |
| NARCISSUS, Short | 3-4" apart | 4-6" |
| PUSCHKINIA | 2-4" apart | 3-4" |
| SCILLA | 2-4" apart | 3-4" |
| TULIPA, garden* | 4-6" apart | 6-10" |
| TULIPA, species | 2-3" apart | 3-4" |