''Rudbeckia subtomentosa'', the sweet coneflower, is a
flowering plant in the
family Asteraceae and is found in the central United States.
Growing to tall, it is an erect
herbaceous
Herbaceous plants are vascular plants that have no persistent woody stems above ground. This broad category of plants includes many perennials, and nearly all annuals and biennials.
Definitions of "herb" and "herbaceous"
The fourth edition of t ...
perennial that produces brown centered, yellow daisy-like flowers from late summer to fall. It flowers best in a sheltered position with full sun.
In cultivation in the UK, the
cultivar 'Loofahsa Wheaten Gold' has received the
Royal Horticultural Society's
Award of Garden Merit
The Award of Garden Merit (AGM) is a long-established annual award for plants by the British Royal Horticultural Society (RHS). It is based on assessment of the plants' performance under UK growing conditions.
History
The Award of Garden Merit ...
.
References
subtomentosa
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