Maltese Cross (Silene chalcedonica)

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Sunlight Full sun to partial shade; produces the most blooms in consistent full sun

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Watering Water deeply when the top 2–3 cm of soil is dry; avoid overwatering to prevent root rot

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Temperature Extremely cold-hardy; tolerates warm summer temperatures up to 30°C with adequate moisture

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Leaf: Opposite, lanceolate to ovate leaves; medium green, slightly hairy texture
Flower: Dense terminal clusters of scarlet, cross-shaped (cruciform) five-petaled blooms
Stem: Erect, green to reddish stems with fine pubescence

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Watering

Keep soil consistently moist but not waterlogged; increase frequency during hot, dry spells

Fertilization

Apply balanced diluted liquid feed once monthly. Avoid over-fertilizing to prevent leggy, weak stems

Banana peel liquid fertilizer：Soak chopped banana peels in water for 3 days; dilute 1:10 with water before applying to soil to boost flowering

Pruning

Deadhead spent blooms regularly to encourage continuous flowering through summer
Cut back stems to ground level after the first autumn frost to prepare for winter dormancy
Thin overcrowded clumps in early spring to improve airflow and reduce disease risk

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Warning: this plant may be toxic.

Pets & Humans

Pets: ASPCA: Non-toxic to cats

Humans: No known toxic effects on humans

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Culture: Symbolizes love and devotion in some Eastern European folk traditions

Usage: Ornamental garden plant; attracts butterflies and hummingbirds