Ranunculus Flower When To Plant. Fall is the ideal planting time in such areas. Ranunculus normally starts to flower about 90 days after planting.
Its really up to you. It is easiest to grow the bulbs in pots overwintering them in a greenhouse or cold frame and bringing them out in spring. How to Grow Ranunculus.
The fall planted ranunculus blooms in spring time while those planted in spring produce copious blooms in June and July.
WHERE TO PLANT RANUNCULUS Ranunculus are cool season flowers that grow best in spring-like temperatures of about 55F. Those with colder winters can plant in late winterearly spring once the threat of hard frosts is over. Ranunculus normally starts to flower about 90 days after planting. It is easiest to grow the bulbs in pots overwintering them in a greenhouse or cold frame and bringing them out in spring.