Fertilising Ranunculus in Pots vs Beds (Australia)

Exact Rates, Schedules & Pro Tips

Dilution & application

• Half strength: 5 mL CompleteGrow per 1 L water (establishment, heat, or stress periods).
• Full strength: 10 mL per 1 L water (active growth & bloom).
• Beds: 1–2 L of solution per m², applied to moist soil, targeting the root zone.
• Pots (~30 cm): 1–1.5 L until slight runoff; avoid wetting petals during bloom.

Timing by growth stage

1. Sprout stage (2–3 weeks after planting): Begin with half strength when shoots reach 2–3 cm.
2. Active growth (late winter): Pots every 7–10 days; beds every 10–14 days at full strength.
3. Bud & bloom (spring): Maintain the same rhythm; water early, feed soil not flowers.
4. Post-bloom (3–4 weeks): Half strength every 2–3 weeks, then stop as foliage yellows.

Container-specific tips

• Leaching is faster: Nutrients wash out with frequent watering—keep the 7–10 day rhythm.
• Salt control: Every 4–6 weeks, flush pots with plain water until it drains freely; resume on next watering.
• Mix matters: Use a free-draining premium mix with coarse structure; avoid waterlogged media.
• Heat management: During hot spells (>28 °C), drop to half strength and water in the morning.

Garden bed tips

• Even moisture, never boggy: Mulch lightly (off crowns) to stabilise moisture at bud set.
• Open heavy clay: Add coarse compost and sharp sand; consider raised beds for winter drainage.
• pH 6.0–6.8: Keeps iron and other micros available; chlorosis often improves once pH is corrected.

Diagnosis quick-guide

• Pale new leaves: Possible iron issue—check pH; add an extra half-strength feed next week.
• Leafy, few buds: Likely excess N or low light—skip one feed, then resume at ½–¾ strength; ensure 6+ hours sun.
• Brown leaf edges in pots: Salt build-up—flush with plain water, feed next time at half strength.