Harris Seeds Vinca Cora Seed

The Cora series is bred from elite Nirvana genetics, which provides superior hybrid vigor and a high tolerance to aerial Phytophthora. This makes them more resilient and reliable than standard vinca varieties.

No, these are untreated seeds. You can sow them directly according to the recommended soil temperature of 70-75°F.

These seeds require darkness to germinate, so be sure to cover them after sowing. You can expect to see sprouts within 4 to 6 days if kept at the proper temperature.

Since these plants reach a spread of 22-25 inches, you should space them at least two feet apart to allow for proper airflow and healthy growth.

Yes, their uniform growth habit and 14-16 inch height make them excellent candidates for containers, provided the pots have good drainage and receive full sun.

Cora vinca thrives in full sun and requires moderate watering. They are quite adaptable, but ensure the soil is well-draining to keep the plants healthy.