Be on the lookout for words like aggressive, spreading and self-sows
, all of which signal plants that don't stay where they are planted.
The lavender blue flowers look great planted en masse and it self-sows
happily, which means less work for you."
. Needs shade or part shade and regular water.
I always have achillea in the spring-summer garden for it self-sows
freely - just thin the seedlings for a repeat performance next year.
Basil is one that readily self-sows
in our garden and Ocimum basilicum (sweet basil) is an absolute favourite with its large, emerald-green leaves.
Harvest most of the rosettes but let a few flowers form seeds; mache self-sows
readily, so next year's crop is likely to seed itself.
Greater burnet self-sows with abandon so remove spent flowers to avoid unwanted seedlings.
Many types self-sow, so if seedlings are unwanted, deadhead flowers before they set seed.
Self-sows prolifically thanks to small, dandelion-like parachutes on the seeds.
True to their name, these demure little blue flowers refuse to be forgotten, persisting for years as they self-sow. Easy to pull where you don't want them.
It prefers not-too-rich soil, and it self-sows