Love blue and purple? Get ideas for your garden with a look at plants with cool tones and learn how to plan for succession so you have a long period of saturated color. Wild hyacinth bulb, scilla, grape hyacinth, delphinium, clematis vine, hardy geranium, lilac and hydrangea shrubs, nepeta and late season asters like ‘October Skies’ will be highlighted along with a range of foliage plants with blue or purple leaves. Online class. $15

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