JJ’s gar­den so­lu­tions

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A sunny so­lu­tion

Judy Con­radie of Sedge­field writes I’m de­vel­op­ing my gar­den and need ad­vice for the area around my foun­tain. I planted irises and arum lilies but the sum­mer sun is just too harsh for the arums, so I’ll have to move them. I’d like low-grow­ing plants (about 30–40cm) with white blooms in that cor­ner of the gar­den. I saw Cupheas in bags at the nurs­ery but they didn’t look happy; I doubt they’ll sur­vive in my gar­den. What do I do?

JJ replies Cupheas are a good choice but they don’t like to be in bags, thus their un­hap­pi­ness. They should re­vive once planted out; other­wise, con­sider Lob­u­laria, Euphor­bia ‘Di­a­mond Frost’, Con­volvu­lus cne­o­rum or low-grow­ing Shasta daisies.

A rose re­vival

Em­maren­cia Diederiks writes My gar­dener dug over the soil in my gar­den and en­riched it with com­post, but I suspect he dam­aged the roses’ root sys­tem in the process be­cause they seem to have died. Must I re­move them and plant laven­der in­stead, or should I leave them and see what hap­pens? There are four ‘Ice­berg’ roses that still look good. We live in a sum­mer rain­fall re­gion and get frost in win­ter.

JJ replies You are cor­rect; roses don’t like their roots to be dis­turbed. Give them a chance to flower so you can de­cide how badly they’ve been dam­aged. Laven­der will look great but it needs to be re­placed ev­ery few years.

CON­TACT JJ van Rensburg is a hor­ti­cul­tur­ist at Gar­den World in Jo­han­nes­burg; visit gar­den­world.co.za.

Lis­ten to JJ’s gar­den­ing tips and tricks on Der­rich Gard­ner’s show Brek­fis met Der­rich at 07:40 ev­ery Satur­day on RSG.

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