Saturday, 21 July 2018

Allium bulb instructions

(from W.S. Warmenhoven)

As soon as you bought the bulbs, unpack them and lay them on the paper bag.  Keep the bulbs until October in a dry place, well ventilated and let them breathe.

Don't plant in heavy clay - if you must, mix the clay with grit.  Well drained soil is the best.  They need water in the autumn to make a good root system to soak up water in the spring to produce the flowers.  Make sure you don't plant the bulbs in a dry spot.

After planting put some bonemeal on top.  Planting depth is 2.5 times the size of the bulb.  If you have a windy garden plant them a bit deeper. 

Don't plant them in pots.  If you do so water them frequently directly after planting throughout the whole winter. 

If you let them make seed heads by the end of the flowering season they will not easily flower a second time.  Cut off the flower if you don't want the seed heads. 

After three years take out the bulbs and let them dry.  Take off the small bulbs and plant them in fresh soil. 


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