St Johns Wort Plant 'Hypericum Perforatum'

Hypericum perforatum

St John’s Wort flowers for a long period in summer, producing bright yellow flowers that are a magnet for bees. Ideal for wildflower areas.

3 x 9cm Plant

10809220

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£9.99

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Key Features

Marshalls Garden

Hardy

Marshalls Garden

Low Maintenance

Marshalls Garden

Self Fertile

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Pollinator Friendly

Product Information

Eventual Height:

1.2m

Suitable for:

Pots, Patio, Small Gardens, Borders, Window Sill, Window Boxes, Raised Bed, Cottage Garden

Plant Type:

Perennial

Complete The Job

  • Bright yellow flowers for months in summer
  • Popular with pollinators
  • Ideal for wildflower planting
  • Spreads easily

St John’s Wort flowers for a long period in summer, producing bright yellow flowers with distinctive clusters of golden stamens that are a magnet for garden pollinators. This upright perennial spreads via rhizomes and through self-seeding, and is ideal for wildflower areas.

How you will receive your plants:

Selected by our team of experts and sent from our nursery, you will receive your plant in a 9cm pot, ready to plant out.

Can’t plant straight away?

Place in a sheltered spot and water regularly to keep the compost moist

Planting tips and hints:

Dig a hole approximately twice as deep and 3 times as wide as the plant’s rootball. If your soil is heavy mix in a soil improver before backfilling. Place the plant in the hole so that it sits at the same level in the ground as it did in the pot. Firm the soil around the plant and water thoroughly. When planting in containers, use a good multi-purpose compost.

Feeding and aftercare: No routine maintenance required.

*Planting and flowering months below are subject to seasonal weather conditions.

How to grow

Growing herbs can be a rewarding and simple endeavor, whether you’re cultivating them indoors, on a balcony, or in a garden.

Prepare the Soil
Herbs generally prefer well-draining soil that is rich in organic matter.
For outdoor planting, amend the soil with compost or organic matter to ensure it drains well but retains some moisture. For containers, use a high-quality potting mix or make your own with equal parts potting soil, perlite, and compost.

Planting Your Herbs
Plant spacing: Ensure each herb has enough room to grow. For example, basil and mint need about 12-18 inches, while chives or parsley can be spaced closer together (6-8 inches apart).

Watering
Keep the soil moist but not waterlogged. Herbs don’t like to sit in soggy soil.
Watering frequency depends on your climate, the container size, and soil type, but generally, water when the top inch of soil feels dry to the touch.
Avoid overhead watering to prevent mildew. Water at the base of the plant to keep the leaves dry.

Sunlight
Most herbs require at least 4-6 hours of direct sunlight per day. If you're growing herbs indoors, a south-facing windowsill is ideal. If you have limited sunlight, you can use grow lights designed for plants.
Some herbs, like mint, parsley, and cilantro, can tolerate partial shade, but most, like basil and thyme, thrive in full sun.

Fertilising
Herbs are generally light feeders. Use a balanced, slow-release fertiliser or organic options like compost or fish emulsion.
Over-fertilising can lead to overly lush growth with less flavor. Apply fertiliser sparingly, about once a month during the growing season.
If you're growing herbs in containers, you may need to fertilise more often as container soil nutrients are quickly depleted.

Guide To Plant Sizes

Plug Plants: Grown in individual cells with a bio-degradable membrane will break down in the soil, no need to remove before planting. These are large plugs than our other sizes and can be planted straight into their final position or pot and grow on to form larger plants that can be planted later in the season. Protect from frost if necessary.

9cm & 13cm Plants:
Much more established and larger plants than our plug ranges, ready to plant out straight away, these will establish quickly and produce flower and fruit much quicker than smaller plugs. Protect from frost if required.

1L Plants: Plants in 1L grower pots are more mature and can be planted straight into their final position.

Why Marshalls Garden

Why Marshalls Garden

We are more than just a team; we are your gardening experts, dedicated to providing valuable guidance and support for all your gardening endeavours.

Discover our wide range of gardening guides developed over 75 years, showcasing our commitment to gardening.

Contact us on Mon - Sat and even on bank holidays (because gardening queries don't follow a calendar), to discuss our product range or chat about all things gardening.

When you order from us, expect promptness. 'In stock' plants and seeds are dispatched within two working days. And because we're as green as our thumbs, all our packaging is recyclable.

We are honoured to have received the prestigious silver medal at the 2022 Great British Growing Awards for Best Online Retailer.

Our trustworthiness isn't just us talking. It's thousands of five-star reviews on Trustpilot and a 100% happiness guarantee on all our products. We're not just here to sell, we're here to sow trust.

Soil Type

Herbs generally prefer well-draining soil that is rich in organic matter. For containers, use a high-quality potting mix or make your own with equal parts potting soil, perlite, and compost.

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