Cardoons
Sow two or three seeds together in clumps 1 ft. apart, intrenches prepared as for Celery, in April or May. When 6 in. high pull up the superfluous plants, leaving the strongest one in each case. When...
up the superfluous plants, leaving the strongest one in each case.
When they have attained the height of 1-1/2 ft, tie the leaves lightly
to a stake and earth-up the stem. Keep them well supplied with water,
adding a little guano. They will be ready for use in September.
Another sowing may be made in June for a spring crop.
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