General Plant Information (Edit)
Plant Habit: Herb/Forb
Life cycle: Biennial
Sun Requirements: Full Sun
Full Sun to Partial Shade
Water Preferences: Mesic
Soil pH Preferences: Slightly acid (6.1 – 6.5)
Neutral (6.6 – 7.3)
Slightly alkaline (7.4 – 7.8)
Moderately alkaline (7.9 – 8.4)
Strongly alkaline (8.5 – 9.0)
Minimum cold hardiness: Zone 5a -28.9 °C (-20 °F) to -26.1 °C (-15 °F)
Maximum recommended zone: Zone 9b
Plant Height: 2 to 5 feet
Fruit: Dehiscent
Other: Small, egg shaped capsule, containing several seeds.
Fruiting Time: Late summer or early fall
Flowers: Inconspicuous
Fragrant
Flower Color: Yellow
Other: Greenish-yellow
Bloom Size: Under 1"
Flower Time: Summer
Underground structures: Taproot
Uses: Cut Flower
Wildlife Attractant: Bees
Butterflies
Propagation: Seeds: Provide light
Self fertile
Needs specific temperature: 65ºF - 70ºF
Days to germinate: 7 to 14 days.
Depth to plant seed: Surface sow, do not cover as they need light to germinate.
Pollinators: Self
Bees
Various insects

Image
Common names
  • Weld
  • Dyer's Rocket
  • Dyer's Broom
  • European Mignonette

Photo Gallery
Location: Morpeth Northumberland UK
Date: 2022-06-15
Location: Morpeth Northumberland UK
Date: 2022-06-15

Photo by Leo Michels

Photo by Leo Michels
Location: My garden in Belgium
Date: 2010-08-22
Location: My garden in Belgium
Date: 2010-08-22

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