Outdoor Planting Chart for Bulbs
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 | Distance Apart | Planting Depth |
|---|---|---|
| Allium, large | 6-14" apart | 4-8" |
| Allium, small | 1-4" apart | 3-4" |
| Anemone blanda (Grecian Windflower) ‡ | 3-4" apart | 2-3" |
| Camassia (Camas Lily) | 6-10" apart | 4-6" |
| Chionodoxa (Glory-of-the-Snow) | 1-3" apart | 3-4" |
| Crocus | 1-4" apart | 3-4" |
| Eranthis (Winter Aconite)‡* | 2-4" apart | 2-4" |
| Fritillary, large* | 8-10" apart | 6-8" |
| Fritillary, small | 4-5" apart | 3-4" |
| Galanthus (Snowdrop)* | 2-4" apart | 3-4" |
| Hyacinth* | 3-4" apart | 5-8" |
| Hyacinthoides (English Bluebell)* | 3-4" apart | 3-5" |
| Ipheion (Spring Starflower)* | 1-3" apart | 2-3" |
| Iris, dwarf | 1-4" apart | 3-4" |
| Iris, dutch | 3-4" apart | 6-8" |
| Leucojum (Summer Snowflake)* | 2-3" apart | 2-3" |
| Muscari (Grape Hyacinth) | 2-4" apart | 3-4" |
| Narcissus | 4-6" apart | 6-10" |
| Narcissus, Short | 3-4" apart | 4-6" |
| Puschkinia (Striped Squill) | 2-4" apart | 3-4" |
| Scilla | 2-4" apart | 3-4" |
| Tulip, garden* | 4-6" apart | 6-10" |
| Tulip, species | 2-3" apart | 3-4" |