Agave × nigra

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Agave × nigra Agave × nigra forms a rosette of thick grey-green to blue-grey leaves. The blades rise through the centre and open outward as they mature, with nearly smooth margins. A narrow dark line follows each margin, and each leaf ends in a long black terminal spine. Small marginal teeth may appear on some plants. Older rosettes can form basal offsets that gradually widen the clump. Show more