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• Keep all plants well mulched. In re­gions which get win­ter rain­fall, wa­ter deeply with grey wa­ter or har­vested rain­wa­ter at least once a week; in other re­gions wa­ter in dry weather. Newly planted seedlings and shrubs need wa­ter of­ten un­til es­tab­lished. • Feed plants with a sea­weed-based or­ganic fer­tiliser, which im­proves the soil and acts as a soil con­di­tioner. The liq­uid form is used as a fo­liar feed and the pel­leted form as a slow-re­lease fer­tiliser. • Grow dwarf, medium and tall blue and white aga­pan­thus to add grace and colour to your sum­mer gar­den. The white-flow­ered va­ri­eties such as ‘Dou­ble Di­a­mond’ show up well in an evening gar­den. • Day lilies are use­ful and re­li­able peren­ni­als, their arch­ing fo­liage as im­por­tant in the land­scape as their flow­ers. They bloom best if given six hours of sun a day and en­riched, mois­tur­ere­ten­tive soil. Plant in sin­gle colours in large sweeps for im­pact, or in groups in mixed borders, near wa­ter fea­tures and with or­na­men­tal grasses. • Fer­tilise sum­mer-flow­er­ing bulbs once a month with Hadeco bulb food. Lil­i­ums like their heads in the sun and a cool root run, so spread a 10cm layer of mulch over the root area. Stake stems to avoid dam­age from wind and rain. • Dur­ing the rainy sea­son, el­e­ments are leached out and plants will need reg­u­lar fer­til­is­ing to re­place th­ese. Trees re­quire more fer­tiliser than shrubs and they, in turn, need more fer­tiliser than peren­ni­als.

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