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Inula sp.

Inula sp.
Flowers open in late June
Buds in mid-June
Inula sp.

Common name elecampane
Family asteraceae
Life cycle perennial (Z5-8)
Flowers yellow (late spring-summer)
Size 12-18"
Light sun-part shade
Cultural notes ordinary garden soil (not too dry)

Yellow ray flowers with frilly petals, held upward-facing just at the top of the leafy stems. The large leaves are light green with prominent veins. Likes moist soil. The photo here shows how seedlings have grown to a substantial size by early July.
I grew these plants from seed labeled 'Cremanthodium arnicoides', but a friendly reader pointed out that my photos didn't look like Cremanthodium. So for now, I'm going with Inula, although I haven't tried to identify my plants to the species level yet.

Second-year plant dug up in late April, with top growth barely emerging. But look at that root system!
Inula sp.
Seed heads developing in early August

We left this plant behind in our Pennsylvania garden (and wish it well); we don't grow it in Houston.

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Seed-starting details for this plant

  1. Seed from NARGS '13/'14 exchange. Baggy 70F (15d; 4%G, 15d) - 70F with light (26%G, 7d)
  2. Same seed as above. Baggy 35F (3w) - 70F (88%G, 4-7d)

The brief cold period in 2015 apparently helped.
According to Plant World Seeds, germination is improved by a cold spell.

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