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"We are the last line of defence for these plants"
The National Trust’s bio-secure Plant Conservation Centre plays an important role in conserving rare and important plants.
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More clips from Top Secret Seedlings
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All the world’s a stage at Nymans
Duration: 01:25
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Miss Jekyll’s topiary cat
Duration: 02:05
More clips from Hidden Treasures of the National Trust
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Miss Jekyll’s topiary cat—Series 4, Top Secret Seedlings
Duration: 02:05
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All the world’s a stage at Nymans—Series 4, Top Secret Seedlings
Duration: 01:25
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The moth man—Series 4, Bobbins and Hobbit Holes
Duration: 01:51
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Rock House Rock Cakes—Series 4, Bobbins and Hobbit Holes
Duration: 00:46
