Toadflax Control: Information On Controlling Toadflax Plants

Toadflax Control: Information On Controlling Toadflax Plants

By: Jackie Carroll
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Both yellow and dalmation toadflax (Linaria vulgaris and L. dalmatica) are noxious weeds that have escaped into the wild and spread quickly, reducing wildlife habitat, native plant populations and forage acreage. There are a few other species of toadflax that make respectable and even desirable garden plants, however. So if you want to grow toadflax in the garden, make sure you choose a species that is not invasive in your area. If you are in doubt, check with .

Toadflax Control

If you already have toadflax in the garden and need to get it under control, then you should know that controlling toadflax is a challenge. If these competing plants are growing in the area, focus on the support of these plants. Dalmatian toadflax is susceptible to herbicide treatment, and yellow toadflax is somewhat susceptible.

labeled for use against toadflax, and apply it according to the label instructions. Apply herbicides to Dalmatian toadflax in spring and to yellow toadflax in late summer or fall. Your can suggest the best herbicide for growing wild toadflax control in your area.

Tips for Growing Toadflax in the Garden

Growing wild toadflax in the garden is never a good idea, but here are some cultivated types that perform well in beds and borders:

  • L. maroccana is an annual type with masses of flowers that resemble snapdragons. It grows 1 to 2 feet tall and is often sold as ‘Northern Lights,’ a cultivar that produces a mix of bright colors.
  • L. alpine (alpine toadflax) is a little 3-inch perennial with clusters of tiny purple and yellow flowers. It is often used in rock gardens.
  • L. purpurea is a 3-foot perennial that produces spikes of purple or pink flowers.
  • L reticulata is an annual that grows 2 to 4 feet tall with deep purple flowers. ‘Crown Jewels’ is a more compact cultivar that grows only 9 inches tall and blooms in shades of red, orange or yellow.

Toadflax Care

Toadflax plants establish easily, making their care minimal. Toadflax prefers full sun and grows well in poor, rocky soils. The U.S. Department of Agriculture plant hardiness zone depends upon the species, but most are hardy in zones 5 through 8 or 9.

Although the plants tolerate dry spells, they look best with supplemental watering during periods of drought as part of their toadflax care.

Watch out for and , which sometimes feed on the plants, whenever you are growing toadflax in the garden.

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