Rudbeckia maxima
This perennial species grows up to 2 m tall. It produces sparsely branched stems, broad, bluish foliage and flowers with yellow petals and a conical heart, first green then brown.
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in bucket
Place seeds in the refrigerator for 60 days before sowing in spring. Sow in trays, making sure seeds are lightly covered. When the plants have 5 to 6 leaves, transplant into individual cups or directly into warmed soil, or sow in autumn. Sow in the same way and leave outdoors until spring.
Likes well-drained soil.
March, April, September, October
September, October, November
June, July, August, September
in the ground, in pot
semi-shade, sunny
medium
clayey, limestone, humus
drained, rich
Rudbeckia maxima
mid-season
50 seeds
Yellow
From 150 to 200 cm
pointed
North America
