Watering and Feeding
- Water and feed all indoor and greenhouse plants regularly to maintain strong growth.
- For tomatoes, ease off watering as they set their first truss of fruit.
Ventilation and Temperature Control
- Ventilate greenhouses well during damp weather and provide plenty of ventilation on sunny days.
- Use shading material to prevent greenhouses from getting too hot.
Pest Management
- Check indoor and greenhouse plants for scale insects, greenflies, and red spider mites.
- Remove excess shoots of grapevines every couple of weeks to keep them under control.
- Spray grapevines with rose spray if mildew appears on leaves to protect developing grapes.
Training and Pruning
- Train greenhouse tomatoes, cucumbers, and melons on strings tied to wires in the roof or use canes.
- Continue training and taking side-shoots off tomato plants, and twist tomato, melon, and cucumber plants up strings.
Greenhouse Maintenance
- Feed greenhouse plants every two weeks to encourage good growth before mid-summer.
- Monitor indoor and greenhouse plants for pest build-up and take action as necessary.
By following these greenhouse and house plant care tips in June, you can ensure healthy growth and development for your indoor and greenhouse plants, while managing pests and maintaining optimal growing conditions.