Greenhouse job checklist - week 26

24 - 30 June 2013

It's time to...

Damp down the floor every morning and open vents
Water tomatoes regularly to prevent fruits splitting
Sow Primula malacoides and P. obconica for flowering pot plants next spring
Hang yellow sticky traps in the greenhouse to help control whitefly
Repot houseplants that have become pot bound
Dab male melon flowers on to female flowers to ensure pollination
Thin out bunches of grapes with pointed scissors
Take cuttings using non-flowering shoots on fuchsias, pelargoniums and marguerites
Check plants for signs of pests or problems and treat as soon as possible
Isolate new purchases from other plants until you are sure they are pest-free