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Calendula Seeds - Triangle Flashback (Calendula officinalis)

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Triangle Flashback Calendula (Calendula officinalis) is a specialty variety known for its stunning layered petals, each with shades of gold, peach, bronze, and pink. This eye-catching flower blooms continuously from spring to frost, producing daisy-style blossoms that attract bees, butterflies, and other beneficial pollinators. Ideal for creative cottage gardens, cut-flower beds, borders, and decorative containers, this hardy annual grows effortlessly in full sun and average soils.

Features

  • Bi-color and tri-tone blooms in gold, bronze, peach, and pink.
  • Highly attractive to bees and beneficial pollinators.
  • Unique Triangle Flashback variety of Calendula officinalis.
  • Excellent for borders, cottage gardens, and cut-flower displays.
  • Long blooming season from spring until frost.
  • Easy to grow from seed; low-maintenance annual.

Specifications

  • Common Name: Calendula, Pot Marigold
  • Variety: Triangle Flashback
  • Scientific Name: Calendula officinalis
  • Plant Type: Annual flowering herb
  • USDA Zones: 3–10 (annual)
  • Bloom Colors: Gold, bronze, peach, pink bi-color blossoms
  • Flower Type: Daisy-style, layered petals
  • Height: 12–20 inches
  • Spread: 10–18 inches
  • Growth Habit: Bushy and branching
  • Heirloom: Yes
  • GMO Status: Non-GMO
  • Organic: Not certified organic
  • Light Requirements: Full sun to partial shade
  • Soil Preference: Average, well-drained garden soil
  • Water Needs: Moderate
  • Pollinator Friendly: Yes (bees & butterflies)
  • Bloom Season: Spring through frost
  • Plant Spacing: 10–12 inches
  • Seed Viability: 3–5 years stored cool and dry

Planting Guide

  • Direct sow outdoors in early spring, or start indoors 4–6 weeks before frost.
  • Plant seeds 1/4 inch deep in loose, well-draining soil.
  • Maintain light soil moisture for germination (5–15 days).
  • Transplant outdoors after frost danger passes.
  • Provide full sun for best bloom color and production.
  • Water moderately and avoid overly soggy soil.
  • Deadhead spent blooms to extend flowering season.
  • Allow some flowers to seed if natural reseeding is desired.
Triangle Flashback Calendula seeds with bi-color flowers
Calendula Seeds - Triangle Flashback (Calendula officinalis)

FAQ's

When is the right season to plant Calendula seeds?

Plant Calendula seeds in spring or early summer for the best germination rates.

What are the common growing mistakes with Calendula?
  • Avoid overwatering or planting Calendula in heavy clay soil to prevent poor growth.
Do Calendula plants tolerate cold weather?
  • Calendula prefers warmer climates and may need protection from frost in colder regions.
How often should I fertilize Calendula plants?
  • Feed Calendula plants once every 3–4 weeks with mild organic fertilizer for best results.
What is the usual height of mature Calendula plants?
  • Mature Calendula plants generally grow between 30–90 cm depending on conditions.
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