The northernmost of the Royal Horticultural Society’s gardens, Harlow Carr, has so much to see that most repeat visitors must feel torn about where to go first. Not me – the Alpine House draws me in like a magnet. It’s show time there, whatever stage of the year. The gardeners tend a stock of plants behind the scenes, picking out tiny treasures when they are at, or around, their best for their turn in the Alpine house spotlight. This week our treats included several primulas, some flowering so madly that their leaves were hidden, others wearing their leaves with pride.
Some of the plants in the Alpine greenhouse are inside because they need protection from cold, wind or rain; others would grow outside just fine. Common species plants are treated as carefully as rare or special cultivars, all raised up on broad, sweeping benches so we can admire them at close quarters. Plants are grown in traditional clay pots, sunk into a mixture of sand and sharp grit to help keep the roots cool and stop them drying out too quickly. Continue reading