Unharvested plants often survive the winter, then produce seeds in spring, which self-sow
a new crop.
Author Kristin Green will discuss her new book, "Plantiful: Start Small, Grow Big with 150 Plants That Spread, Self-Sow
, and Overwinter,'' 1 p.m.
Some plants that self-sow
too freely--especially perennials such as garlic chives or horseradish--will cross the line into weediness if not handled with care.
With smaller bulb plants (crocus, miniature iris etc.) they often will "self-sow
." So if you leave the flowers alone seeds will form and you can enjoy new seedlings in future years.
Many garden plants will self-sow
in the fall without any help from me- dill, squash, sunflowers, annual flowers, cucumbers, chamomile.
This plant never fails to self-sow
, but beware if you have small children for the seeds are highly noxious.
They can be grown in sun or partial shade and will self-sow
Many types self-sow
, so if seedlings are unwanted, deadhead flowers before they set seed.
Set mint too--but keep in a container and watch it: This aggressive herb can self-sow
or spread by its roots, even through the drainage hole in the bottom of the pot.
If you want a more organised display, collect the seeds before they self-sow
, so you can control where they appear.
This clumping goldenrod is drought-and heat-tolerant, making it a great choice for dry meadow landscapes where it can self-sow
. Flower heads fade to buff and last all winter, Looking great when Little else is happening in the garden.
Other than a few plants such as hollyhocks and plants that we wish to self-sow
, plants should not be allowed to set a crop of seed.