square-stalked St John's wort

How to Grow and Care for square-stalked St John's wort

square-stalked St John's wort · Hypericum tetrapterum
Also known as: hard hay; spotted St John's wort; St Peter's wort

Grow in any poor to moderately fertile soil that does not dry out

Watering: Moderate regular watering, allowing brief slight drying between soakingsSunlight: Full sun · Partial shadeFruit are ornamental - not to be eaten. Wear gloves and other protective equipment when handling

Planting and Growing square-stalked St John's wort

square-stalked St John's wortsquare-stalked St John's wortsquare-stalked St John's wort
Care difficulty2 / 5
Watering scheduleModerate regular watering, allowing brief slight drying between soakings
Sunlight requirementsFull sun · Partial shade
Ideal temperatureInformation to be completed
Soil typeChalk · Clay · Loam · Sand
Soil pHAcid · Alkaline · Neutral
Soil moistureMoist but well drained · Poorly drained
FertilizingBalanced perennial feed every four weeks from spring through summer
ToxicityFruit are ornamental - not to be eaten. Wear gloves and other protective equipment when handling
Care Tips

Grow in any poor to moderately fertile soil that does not dry out

How to Water square-stalked St John's wort?

Moderate regular watering, allowing brief slight drying between soakings

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What Are the Sunlight Requirements for square-stalked St John's wort?

Full sun · Partial shade

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What Is the Ideal Temperature Range for square-stalked St John's wort?

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What Soil Is Best for square-stalked St John's wort?

Soil type
Chalk · Clay · Loam · Sand
Soil pH
Acid · Alkaline · Neutral
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What Are the Moisture Requirements for square-stalked St John's wort?

Moist but well drained · Poorly drained

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How to Fertilize square-stalked St John's wort?

Balanced perennial feed every four weeks from spring through summer

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How to Prune square-stalked St John's wort?

No pruning required

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How to Propagate square-stalked St John's wort?

Propagate by seed

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How to Transplant square-stalked St John's wort?

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How to Care for square-stalked St John's wort in Winter?

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How to Plant square-stalked St John's wort?

Grow in any poor to moderately fertile soil that does not dry out

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How to Repot square-stalked St John's wort?

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How to Harvest square-stalked St John's wort?

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Common Pests & Diseases

Diseases

May be susceptible to a rust and honey fungus (rarely)

Pests

Generally pest-free

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The Toxicity of square-stalked St John's wort

Fruit are ornamental - not to be eaten. Wear gloves and other protective equipment when handling

More General Info About square-stalked St John's wort

Attributes of square-stalked St John's wort

Plant typeHerbaceous Perennial
Height0.5-1 metres
Spread0.1-0.5 metres
FoliageInformation to be completed
HabitColumnar upright
OriginEurope, Southwestern Asia

Scientific Classification

Species
Hypericum tetrapterum
Genus
Hypericum
Family
Hypericaceae
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FAQs About square-stalked St John's wort

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