SPRING BLOOMING BULBS


Below is a table that describes when Spring bulbs usually bloom and other information regarding the planting of Spring flowering bulbs.

BOTANICAL NAME COMMON NAME BLOOM DEPTH SPACING
Allium spp. flowering onion, Allium Apr-Jul 6" deep spacing varies
Anemone blanda windflower, Grecian Apr 2” deep 3-4” apart
Brodiaea capitata “Queen Fabiola” blue dicks June 2-3” deep 3-4” apart
Calochortus spp. Mariposa lily, globe tulip Apr 3” deep 6” apart
Camassia cusickii quamash, wild hyacinth June 4” deep 6-8” apart
Chionodoxa cusickii glory-of-the-snow Feb-Mar 2-3” deep 2-3” apart
Crocus speciosus crocus, species Feb-Mar 2-3” deep 2-3” apart
Crocus vernus crocus, Vernus hybrid Mar 3” deep 3-4” apart
Eranthis hyemalis winter aconite Mar 3” deep 3-4” apart
Erythronium spp. dogtooth violet, trout lily Apr 2-3” deep 4-5” apart
Fritillaria imperialis crown imperial Apr-May 5-6” deep 8” apart
Fritillaria meleagris guinea hen flower Apr 3-4” deep 3-6” apart
Galanthus nivalis, G. elwesii snowdrops Feb 4-6” deep 2-3” apart
Hyacinthus orientalis hybrid hyacinth Apr 5-6” deep 5-8” apart
Ipheion uniflorum (Triteleia uniflorum) spring starflower Mar-Apr 3” deep 4-6” apart
Iris hollandica iris, Dutch May 3” deep 4” apart
Iris reticulata iris, dwarf Mar 3-4” deep 3-4” apart
Leucojum aestivum summer snowflake Apr-May 4” deep 4” apart
Muscari armeniacum, M. botryoides grape hyacinths Apr 2-4” deep 3-4” apart
Narcissus spp. (Small) daffodils, narcissus Mar-May 4-5” deep 4” apart
Narcissus spp. (Large) daffodils, narcissus Mar-May 6-8” deep 6” apart
Ornithogalum spp. star of Bethlehem May-Jun 3” deep 4” apart
Puschkinia scilloides striped squill Mar-Apr 2-3” deep 4-5” apart
Scilla campanulata, (hyacinthoides) Spanish bluebell, wood hyacinth May-Jun 3-4” deep 3-4” apart
Scilla sibirica, S.tubergeniana Siberian squill Mar 2-3” deep 3-4” apart
Tulipa spp. tulips, miniature Mar-May 3-4” deep 3-4” apart
Tulipa spp. tulips, standard hybrid Apr-Jun 8-10” deep 4-8” apart


Below is a table describing the naming of the different divisions of the daffodil species.

Daffodil division: Examples:
Div. 1: Trumpets (King Alfred, Mount Hood, Unsurpassable)
Div. 2: Large-cupped (Duke of Windsor, Ice Follies, Amor, Salome)
Div. 3: Small-cupped (Barrett Browning)
Div. 4: Double narcissus (Cheerfulness, Tahiti)
Div. 5: Triandrus hybrids (Hawera, Thalia)
Div. 6: Cyclamineus narcissus (February Gold, Jack Snipe, Tete-a-Tete)
Div. 7: Jonquilla narcissus (Baby Moon, Lintie)
Div. 8: Tazetta narcissus (Galilea, Grand Soleil d’Or, Minnow)
Div. 9: Poeticus narcissus (Actaea, Pheasant’s Eye)
Div. 10: Species narcissus (Yellow Hoop Petticoat)


Below is a table describing the normal order of bloom time for tulips.

Tulips usually bloom in this order:
Emperor (Mar-Apr)
Species (Mar-Apr)
water-lily tulip Kaufmanniana (Mar-Apr)
Greigii (Apr-May)
Single early (mid-April)
Double early (mid-April)
Double late - peony flowering (late April)
Triumph (Apr-May)
cottage tulips - Darwin (Apr-May)
Green - Viridiflora (May)
Rembrandt (May)
Parrot (May)
Lily-flowering (May)
Single late (May)

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