Deficiencies

Boron deficiency

Identify Boron deficiency: symptoms, possible causes, prevention, and practical actions for 15 affected plants. Hollow heart

Affected plantsDeficiencies

Boron deficiency is relevant across 15 plant profiles on Wild-Wuchs. In the data it is most often linked with Napa cabbage, Fennel, Radish, Salsify, celeriac. Typical signs include: Hollow heart For gardeners, early diagnosis, suitable growing conditions, and gentle action matter most: Balanced fertilization with compost

Plants

15

Category

Vegetables

Risk

high

Synonyms

Bor mangel, Bor-mangel, Bormangel, bor mangel, bor-mangel, bormangel

Overview

Symptoms

  • Hollow heart
  • Hollow stems
  • Glassy spots in flesh

Damage

  • Boron deficiency causes internal brown spots and hollows in the bulb, often not visible from the outside. The bulb can also become cracked and woody.
  • A lack of boron can lead to growth disorders and deformities of the roots.

Causes

Alkaline soils

Prevention

  • Balanced fertilization with compost
  • soil analysis

Organic control

  • Conduct soil analysis
  • Apply boron-containing fertilizer (carefully)
  • Spray with boric acid (1 g per 5 L water)

Affected plants

Napa cabbageFennelRadishSalsifyceleriacMay turnipSwiss ChardDaucus carotaParsnipRomanesco broccolibeetred cabbageSpinachpointed cabbageWhite Cabbage

Guides

Related guides

Garden guides

Similar topics

Nitrogen deficiencyPotassium deficiencyCalcium deficiency

FAQ

How do I recognize Boron deficiency?

Hollow heart

What causes Boron deficiency?

Alkaline soils

How can I prevent Boron deficiency?

Balanced fertilization with compost

What helps against Boron deficiency?

Conduct soil analysis

Which plants are affected?

Napa cabbage, Fennel, Radish, Salsify, celeriac, May turnip, Swiss Chard, Daucus carota, Parsnip, Romanesco broccoli, beet, red cabbage

When does Boron deficiency usually appear?

Timing depends on plant, weather, and growing conditions; check regularly during stress periods.