potted_plant
Arrowhead care requirements
water
Thrive in shallow water 6–18 inches deep; can also grow in boggy soil at water's edge
soil
Rich, heavy soil or specialized aquatic potting soil; nutrient content supports robust growth
light
Full sun to partial shade (5+ hours of direct sunlight promotes flowering)
symptoms
Symptoms to look for in Arrowhead
- fiber_manual_recordCircular brown or black spots
- fiber_manual_recordYellow halos around spots
- fiber_manual_recordPremature defoliation
help
Common causes in Arrowhead
Multiple fungal and bacterial pathogens. Favoured by wet foliage and warm temperatures.
healing
How to treat leaf spot in Arrowhead
Remove affected leaves. Apply appropriate fungicide or bactericide.
shield
Preventing leaf spot in Arrowhead
Water at soil level. Improve air circulation. Practise crop rotation.