First photo is definitely a T. duratii. Usually grey or silver in color, along with the form (plant shape/structure) being the same as in your photo. Leaves get curly when not hydrated.
There is also a thick leaf form that is popular within the USA, along with another variety known as T. duratii var. saxatilis (blooms are a bit different, more spread out with the saxatilis variety).
You often hear about T. xerographica being the king of tillies. But a fully grown, mature, duratii is in the 'crowns' running (truly stunning). A very hardy plant that is long-lived and rewards growers with very fragrant flowers.
Really don't know what the second photo is (with any certainty). Could be a duratii... maybe grown in less than optimum conditions. If it is a duratii ~ definitely looks unhealthy and has very poor form.
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Hybrid Mode
