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Ceratotheca triloba

 
Ceratotheca triloba
African foxglove
Ceratotheca triloba

Synonym(s) Sporledera triloba
Common name African foxglove
Family pedaliaceae
Life cycle annual
Flowers violet (summer)
Size 4-5'
Light sun
From seed Germinate at room temperature
detailed seed-starting info below
Seed ripenslate September

Tall annual, with very upright form. The whole plant, leaves and flowers, is softly fuzzy. Lavender flowers with prominently veined lips start up just as the garden is entering its summer slump. In any year, this is a large plant - but they outdid themselves last season, when they grew taller and bushier than ever. They just kept on blooming till frost!
Their sheer size can be an asset, but be careful where you place it. Ours have taken to self-seeding in the cracks between the flagstone path around our pond, and charming as they are, they get mightily in the way. They have a slightly sticky feel to them, and the whole plant has a cloying scent - it's not exactly a bad smell, and not very noticeable until you get up close, but as garden fragrances go, I wouldn't rate it highly.

In our garden, this plant grows in the following areas: bogside border, rock garden annex, front perennial border, the lane

One or more images of this plant are included in my stock photo catalog

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Seed-starting details for this plant

  1. Seed from '01 trade. Celltray with bottom heat (67%G, 7-16d)
  2. Same seed as above. Baggy 70F (40%G, 4-7d)
  3. Same seed as above. Baggy 70F (87%G, 7d)
  4. Seed from '05 garden. Baggy 70F (78%G, 5-9d)
  5. Seed from '07 garden. Baggy 70F (80%G, 4d)
  6. Seed from '11 garden. Baggy 70F (55%G, 7-10d)

Not sure why the mixed results on the same seed, but easy overall.


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Last modified: February 24, 2010
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