Most bulbs are planted in autumn to flower next spring. Usually tulips are planted in early October, when soil temperature at the depth of 10-12 cm drops to +10C. If autumn is warm, tulips can be planted throughout October, even as late as early November. Experienced growers maintain that one can plant tulips even in midwinter, as long as the ground is not frozen over. Bear in mind that mulching with a 25cm layer of sawdust, peat or compost is absolutely necessary in such case. Bulbs root within three weeks – this is how long it should take before the ground completely freezes over. If planted too early, bulbs will break into growth too soon.
One of the most spectacular of autumn flowers – dahlia – unfortunately is not hardy enough to overwinter outside. However, be in no rush to lift them – many late-season blooms will still be produced during warm autumn days; while minor frosts cause little damage to dahlias, if their tubers are mounded. Start lifting dahlias, [...]
