What To Grow In A Greenhouse in June

As June ushers in the warmth of summer, greenhouse gardeners in the UK are presented with a wealth of opportunities to cultivate a diverse range of crops. With careful planning and attention to detail, your greenhouse can become a thriving oasis of fresh produce throughout the month. In this comprehensive guide, we’ll explore the best plants to plant in June, focusing on varieties suitable for greenhouse cultivation, including options for small greenhouse spaces. We’ll also cover crops to harvest from the greenhouse in June, essential tips for feeding and watering, and common pests and diseases to watch out for. Whether you’re a novice gardener or a seasoned pro, let’s dive into the vibrant world of greenhouse gardening in June.

Plants to Plant in June

Tomatoes: Early June is the very latest you can plant tomato seeds for cropping this year, however seeds will quickly germinate as the warm temperatures provide an ideal growing environment. If you have missed the opportunity with seeds, you can still plant tomato plants from the garden centre during the month. Opt for varieties like ‘Sungold’, ‘Gardener’s Delight’, and ‘Shirley’ for a bountiful harvest of juicy, flavourful fruits.

Cucumbers: Sow cucumber seeds in early June for a continuous supply of crisp, refreshing cucumbers throughout the summer months. Compact varieties like ‘Telegraph Improved’ and ‘Mini Munch’ are well-suited for small greenhouse spaces.

Peppers and Chillies: Plant pepper and chilli seedlings in June to ensure a plentiful harvest of spicy peppers later in the season. Varieties such as ‘California Wonder’ peppers and ‘Scotch Bonnet’ chillies thrive in the warmth and protection of a greenhouse.

Herbs: From basil and parsley to coriander and dill, June is an excellent time to sow herb seeds or plant seedlings in the greenhouse. Herbs thrive in the stable conditions of a greenhouse, providing a continuous supply of fresh flavours for culinary creations.

Crops to Harvest from the Greenhouse in June

Salad Greens: Enjoy a bounty of fresh salad greens harvested from the greenhouse in June. Lettuce, spinach, and arugula are ready for picking throughout the month, offering crisp, tender leaves for summer salads.

Radishes: Harvest radishes planted earlier in the season for a peppery addition to salads and sandwiches. Radishes mature quickly and can be ready for harvest in as little as three to four weeks.

Spring Onions: Thinly slice spring onions harvested from the greenhouse to add a mild, oniony flavour to your favourite dishes. These versatile vegetables are easy to grow and ready for harvest in June.

Feeding and Watering

With the increasing temperatures of June, it’s essential to maintain consistent watering and feeding schedules to keep greenhouse plants healthy and productive. Water plants thoroughly, ensuring the soil is evenly moist but not waterlogged. Use a balanced fertilizer to provide essential nutrients, following the manufacturer’s recommendations for application rates and frequency.

Common Pests and Diseases

June brings a host of common pests and diseases that can plague greenhouse crops if left unchecked. Keep an eye out for aphids, whitefly, and spider mites, which thrive in warm, sheltered environments. Regularly inspect plants for signs of infestation, and employ organic pest control methods such as neem oil or insecticidal soap to keep populations in check. Additionally, monitor for fungal diseases like powdery mildew and botrytis, which can spread rapidly in humid conditions.

FAQs:

Can I plant seeds directly into the greenhouse soil in June?

Yes, many seeds can be sown directly into greenhouse soil in June, including salad greens, herbs, and quick-maturing vegetables like radishes and spring onions.

How often should I water greenhouse plants in June?

Watering frequency will vary depending on factors such as plant type, pot size, and environmental conditions. Check soil moisture every day and water when the top inch of soil feels dry.

What should I do if I notice signs of pests or diseases in my greenhouse?

Act promptly to address pest or disease issues by removing affected plants, treating with appropriate control methods, and implementing preventive measures such as improving airflow and hygiene practices.

In conclusion, June is a bustling month for greenhouse gardeners, with plenty of planting opportunities and abundant harvests to enjoy. By following these tips and guidelines for planting, feeding, watering, and pest management, you can ensure a successful and rewarding growing season in your greenhouse.