MAY

• Maintain a programme of weeding
• Plant perennials for maximum effect
• Note gaps to be filled with bulbs for next year
• Control algae in ponds
• Plant up pots for summer colour
• Fill hanging baskets
• Stake tall growing perennials
• Sow seed of hardy biennials
• Plant out half hardy annuals
• Set out dahlia tubers
• Complete summer bedding
• Continue sowing of vegetable seeds. Thin root crops
• Trim ornamental hedges
• Keep pests and diseases under control. Spray against greenfly and rose blackspot. Renew slug pellets