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Blue Lace Flower

Photo: Yoko Nekonomania · CC BY 2.0 · Wikimedia Commons

filler · moderate · mid

Blue Lace Flower

Trachymene coerulea · aka didiscus, lacy flower, Australian daisy

Blue lace flower is a tender annual from Western Australia, producing airy, domed umbels of tiny lavender-blue florets on slender stems. It offers florists one of the few genuinely blue lace-textured flowers, echoing the form of white ammi or orlaya but in cool, dreamy tones. It is a favorite filler for soft, romantic summer weddings and garden-style work. The delicate umbels bring a hazy, meadow-like softness that lightens denser arrangements.

At a glance
FamilyApiaceae
OriginWestern Australia
Peak seasonJuly, August, September
AvailabilityJune, July, August, September, October
Stem length40–60 cm
Vase life7–10 days
Colorsblue, lavender, white, pink
Price tiermid
Conditioning

Cut when most of the umbel has opened for the best vase life. Strip lower foliage and recut stems before conditioning in cool, clean water. Keep away from ethylene sources such as ripening fruit. Refresh the water regularly and keep cool to hold the delicate blooms.

Care in the vase
  • Cut when most umbels are open
  • Strip lower foliage
  • Recut and hydrate in cool water
  • Keep away from ethylene sources
  • Refresh water regularly
Design role & symbolism
Symbolismdelicacy, serenity, calm, refinement
Occasionssummer wedding, wedding, garden-style, boho wedding, everyday
Substitutesammi, orlaya, scabiosa
fillerbluetexturalgarden-stylecottage-gardensummerdelicate

Frequently asked questions

When is Blue Lace Flower in season?

Blue Lace Flower peaks in July, August, September, and florists can usually source it June, July, August, September, October. Availability shifts by region and greenhouse supply.

How long does Blue Lace Flower last in a vase?

Expect 7–10 days with proper conditioning — a clean vase, fresh water every couple of days, flower food, and a cool spot away from ripening fruit and direct heat.

What can I use instead of Blue Lace Flower?

Good substitutes for Blue Lace Flower include Ammi, Orlaya, Scabiosa. Match on look, colour and season — our substitute finder ranks the closest alternatives.

What does Blue Lace Flower symbolise?

Blue Lace Flower is associated with delicacy, serenity, calm, refinement.

How do you care for cut Blue Lace Flower?

Cut when most umbels are open

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