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We’re euphoric about this Euphorbia, and that’s no euphemism. ‘Ascot Rainbow’ is a riot of ever-changing color. Blue-green leaves with creamy yellow edges are its summer wardrobe. Cool weather inspires a costume change, with intense red tones.Euphorbia xmartinii ‘Ascot Rainbow’ PP21401Like many spurges, ‘Ascot Rainbow’ performs best with well-drained soils and resents wet feet in winter. Keep it happy, and you’ll soon know why this Australian introduction earned the Royal Horticultural Society’s

When the color experts at Pantone announced their Color of the Year for 2021, they gave us a rare double-header.Illuminating is a cheerful yellow. Ultimate Gray is exactly what it sounds like. They complement one another nicely: Yellow for sunny optimism, gray for rock-solid reliability. Let’s go gray first. Obviously, gray – even Ultimate Gray -- is not sexy. Call it silver if it makes you feel better. As designers know, there’s a place for it in nearly every border.Magically, colors that clash

Many gardeners believe their earthly creation is a little piece of heaven, and we wouldn’t dream of arguing with them. Why not take things a step farther and offer them some of our favorite “heavenly” cultivars? Nepeta Neptune (‘Bokratune’ PP29556) “Catmint” Aside from phonics, the Roman god of the sea isn’t exactly a natural fit for a plant famous for attracting cats, who are famously averse to getting wet. But when you see the sky blue flowers floating above a sea of blue-green foli