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We have been growing 3 Allium Gladiator Bulbs and planted them in a large tub this year for the first time.
They are about 3 feet tall now but the heads have started to show strange white nobules in the flowering head.
Can anyone help with what we do with these, or how we promoigate these we are very novice gardeners.
Unusual for this type of Allium, but not for the genus as a while. Wait until the flower has finished then collect these bulbils and sow them in ordinary compost and let them grow on. They do not need any heat over winter and should begin to show about the same time as the large bulbs. They take a few years to reach flowering size.
Thanks that very helpfull
I do this each year with my Alliums , there are several Alliums which produce the bulbils .I sow them as Berghill says but I add a handfull of grit .. The bulbils will turn a dark brown towards Autumn .Just put a bit off grit on top too and put them outside. Then forget about them they do take a while but its worth the wait. If you have the room sink the whole pot in the ground leaving about an inch showing . Some Alliums have the seed too . I tried that last year but they were hard to get out wont bother a second time- stick with the bulbils.
If you like lilies there is an orange lily which has the bulbils at each leaf joint, I set these in the same way and they germinate the year after .
Sorry cant think of the name off the lilly .
The lily is Lilium lanceolatum,used to be L. tigrinum.
i have 7 lilly bulbis 2nd year on and actually looking like lillys worth the wait