Trachelium caeruleum grow and care – herbaceous of the genus Trachelium also known as Blue throatwort, Trachelium caeruleum perennial evergreen or as annual plant, used as ornamental drought tolerant plant and attract pollinators, can grow in mediterranean, subtropical or temperate climate in hardiness zone 9-11.

Leaves color green and can slightly purple with serrated margins.

Trachelium caeruleum flower

Flower color purple, red, pink or white in star shape the flowers grow in ball shape.

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How to grow Trachelium caeruleum growing and care:

Well-drained soil

What is the best way to start growing?
Plant / Seed / Vegetative reproduction

Is it necessary to graft or use vegetative reproduction?

Difficulties or problems when growing:

Planting season:
Spring / Summer

Pests and diseases:

Pruning season:

How to prune:
Just for design

Size of the plant?
50-110cm, 20-44 inches

Growth speed in optimal condition:
Fast growing / Medium growing

Water requirement:
Small amount of water / Average amount of water

Light conditions in optimal condition for growing:
Full Sun / Half Shade

Is it possible to grow indoor as houseplant?

Growing is also possible in a planter /flowerpot / containers:

Blooming information

Bloom season?
Summer / Autumn

General information about the flower:
Star shape flower that create ball structure, in colors: purple, red, pink or white

Scientific name:

Trachelium caeruleum


Blooming Seasons
  • Autumn flowers
  • Summer flowers
Flower colors
  • Blue flower
  • Pink flower
  • Purple flower
  • White flower
  • Mediterranean Climate
  • Subtropics Climate
  • Temperate Climate
Leaf color
  • Purple leaf
Ornamental parts
  • Ornamental flower
  • Ornamental leaves
  • Ornamental plant
Plant growing speed
  • Average growing plants
  • Fast growing plants
Plant life-form
  • Annual plant
  • Evergreen
  • Herbaceous
  • Perennial plant
Plant Uses
  • Attract pollinators
  • Colored leaves
  • Drought tolerant plants
  • Ornamental plants
Planting Season
  • Spring Planting
  • Summer planting
Plants sun exposure
  • Full sun Plants
  • Part shade Plants
Watering plants
  • Big amount of water
  • Regularly water
Hardiness zone
  • Hardiness zone 10
  • Hardiness zone 11
  • Hardiness zone 9