Bulb Tip from Evelyn

Bulbs that "naturalize" are likely to flower again in following years. You can help things along after they bloom by giving their leaves a month or two to die back.

Tulipa Humilis Puchella

BULB PLANTING CHART

Please note the following:

Plant in Fall Plant
Depth
  Space
Apart
  Bulbs Per
(bloom in Fall) (inches) (cm) (inches) (cm) square ft
Colchicum
(small bulb varieties)
4 10 7 18 5
Colchicum
(large bulb varieties)
8 20 8 20 1
Cyclamen 8 20 1 3 1
Fall Crocus 3 8 4 10 15
Sternbergia 3 8 5 13 12
           
Plant in Fall Plant
Depth
  Space
Apart
  Bulbs Per
(bloom in Spring) (inches) (cm) (inches) (cm) square ft
Allium
(small bulb varieties)
2 5 4 10 20
Allium
(medium bulb varieties)
4 10 7 18 5
Allium
(large bulb varieties)
8 20 8 20 1
Anemone 3 8 3 8 15
Camassia 4 10 6 15 5
Chionodoxa 2 5 4 10 20
Crocus (botanical) 2 5 3 8 20
Crocus (Dutch) 3 8 4 10 15
Cyclamen 8 20 1 3 1
Eranthis 2 5 2 5 25
Eremerus 24 60 10** 25** n/a
Erythronium 4 10 4 10 5
Fritillaria
(small bulb varieties)
3 8 4 10 12
Fritillaria
(large bulb varieties)
8 20 8 20 1
Galanthus (snowdrops) 2 5 4 10 20
Hyacinthoides 3 8 4 10 12
Hyacinthus 4 10 6 15 5
Ipheion 2 5 3 8 20
Iris 3 8 5 13 15
Ixiolirion 3 8 4 10 15
Leucojum 3 8 5 13 17
Lilium Candidum 8 20 5** 13**   1
Muscari 2 5 4 10 20
Narcisssus (Daffodils-
small bulb varieties)
2 5 5 13 12
Narcisssus (Daffodils-
large bulb varieties)
3 8 7 18 5
Netaroscordum 4 10 6 15 5
Ornithogalum 3 8 4 10 15
Oxalis Adenophylla 3 8 4 10 10
Puschkinia 2 5 4 10 20
Ranunculus 3 8 3 8 15
Scilla 2 5 4 10 20
Triteleia 2 5 3 8 20
Tulips 4 10 7 18 5
Tulips (Botanical-
small bulb varities)
3 8 4 10 15
           
Plant in Spring Plant
Depth
  Space
Apart
  Bulbs Per
(bloom in Summer) (inches) (cm) (inches) (cm) square ft
Achimenes 2 5 1 2 15
Acidanthera 3 8 4 10 15
Alocasia 40 100 ** **   n/a
Amaryllis 8 20 5** 13**   1
Anemone 3 8 3 8 15
Babiana 2 5 4 10 15
Begonia 6 15 1** 3**   3
Begonia Bertini 12 30 1** 3**   1
Bletilla 6 15 1 3 3
Caladium 10 25 4 10 1
Canna 16 40 3 8 1
Chlidanthus 4 10 3 8 5
Colocasia 20 50 ** **   n/a
Crinum 16 40 5** 13**   1
Crocosmia
(aka Montbretia)
2 5 3 8 15
Dahlia 16 40 ** **   n/a
Eucomis 5 13 3 8 5
Freesia 2 5 3 8 15
Gladiolus 5 13 6 15 7
Gladiolus
(low growing)
4 10 4 10 10
Gloriosa 12 30 3 8 1
Hymenocallis 6 15 4** 10**   5
Ixia 2 5 3 8 20
Leucocoryne 3 8 2 5 15
Liatris 5 13 1 3 12
Lilium 8 20 8 20 3
Nerine 6 15 2** 5**   5
Polianthes 8 20 3 8 3
Ranunculus 3 8 3 8 15
Sparaxis 2 5 3 8 20
Sprekelia 6 15 4** 10**   3
Tigridia 5 13 3 8 7
Triteleia 2 5 3 8 20
Tritonia 3 8 2 5 20
Zantedeschia
aethiopica
16 40 6 15 1
Zantedeschia 12 30 4 10 2
Zephyranthes 3 8 2 5 15
           

 

**Eremerus: top of the crown should only be covered with 2" (5 cm) of soil.
**Lilium Candidum: unlike other lilies do not plant deep, top of the bulb should only be covered with 2" (5 cm) of soil. Adjust your planting dept according to the size of the bulb.
**Alocasia: top of the tubers should be covered with 2" / 5 cm of soil. Adjust the planting dept according to the size of your tubers.
**Amaryllis belladonna: do not plant too deep, the neck of the bulb should only be at soil level. Adjust your planting dept according to the size of the bulb.
**Begonias: do not plant too deep, rounded side down, hollow side up just below or at soil level. Adjust your planting dept according to the size of the bulb.
**Colocasia: top of the tubers should be covered with 2" / 5 cm of soil. Adjust the planting dept according to the size of your tubers.
**Crinum powellii: do not plant too deep, the neck of the bulb should only be at soil level. Adjust your planting dept according to the size of the bulb.
**Dahlias: do not plant too deep, the crown of the tuber should be just below or at soil level. Adjust your planting dept according to the size of the tuber.
**Hymenocallis: do not plant too deep, the neck of the bulb should only be at soil level. Adjust your planting dept according to the size of the bulb.
**Nerine: do not plant too deep, the neck of the bulb should only be at soil level. Adjust your planting dept according to the size of the bulb.
**Sprekelia: do not plant too deep, the neck of the bulb should only be at soil level. Adjust your planting dept according to the size of the bulb.