At its best:
Jun, Jul, Aug, Sep
Place a few crocks at the bottom of the container, to cover the drainage hole.
Fill the pot two-thirds full with compost.
Plant the salvia in the centre, making sure its level and at the correct depth. Firm in well.
Plant the pelargonium, plectranthus and euphorbias around the salvia. Fill in any gaps with compost and firm in well. Water the pot thoroughly and allow to drain before moving to its final position.