What's in flower on 1st of month?

The very first French marigold in the greenhouse:

   

Forget-me-nots looking good, and the bluebells are approaching their peak:

   

Double-flowered greater celendines under the Rhododendrons:

   

Honesty, with orange-tip butterflly in attendence:

   

The late spring has done many plants a favour, the young growth hasn't got frosted this year. Bodes well for the year!