When’s The Best Time To Plant Bulbs & Corms? Each Bulb & Corm Has Month When Planting Is Best.  Outside Of These Months Flowering Maybe Delayed Or Fail.

When is the best time to plant daffodils ?


The table below shows the best time of year to plante the depth of planting and how far apart the bulbs or corns should be.

We are dealing with nature so some variation is possible and will depend on your location, soil type, weather and microclimate. For cut flowers some spacings may need amending.

Bulb/cormBest month for plantingDepth of top of bulb below surface (inches)Distance apart (inches)
MontbretiaMarch36
TritoniaMarch44
Anemone (St Brigid)March or Oct25
GladiolusApril49
Gladiolus nanusApril23-4
TigridiaApril44
Crocus (autumn)July2 to 35
FritillariaJuly/August46 to 9
StembergiaJuly34
Belladonna LilyAug66
BluebellsAug63 to 4
BulbocodiumAug44
ErythroniumAug43
ChionodoxaAug33
ColchicumAug43 to 6
LeucojumAug34
L candidumAug212
Scilla sibiriceAug33
SnowdropsAug3 to 43
Winter AconiteAug2 to 33 to
DaffodilsSept/Oct4 to 66
Iris (English)Sept53 to 6
Iris (Spanish)Sept44
Iris (reticulata)Sept43
IxiaSept34
AlliumOct44
Anemone fulgensOct25
Anemone (St Brigid)Oct
or early spring
25
AnthericumOct46
CamassiaOct44
CrinumOct618
Crocus (spring)Oct2 to 33
HyacinthsOct47
Lilium auratumOct4 to 612
L bulbiferumOct4 to 612
L henryiOct4 to 612
L pardalinumOct412
L speciosumOct4 to 612
L tigrinumOct4 to 612
MuscariOct33
OrnithogalumOct44
TrilliumOct34
GaltoniaNov69
Gladiolus (colvillei type)Nov49
Lily of the ValleyNov24
Tulips (long stem)Nov59
Tulips (short stem)Nov46

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