Rudbeckia sullivantii - Cutleaf coneflower

continental : Let’s try to keep the ground fairly damp, watering every 10-11 days with 1-2 glasses of water; when the weather is very harsh and the temperatures are below zero, watering can be interrupted.

alpine : Every 10-11 days water the soil, trying to wet it deeply; keep the ground constantly moist, although we must avoid water stagnations. Usually 0-1 glasses of water are used.

mediterranean : We suggest watering regularly with 2-3 glasses of water, trying to keep the growing substratum pretty cool and moist; if the climate is very cold we can reduce watering. 10-11 days should go by between irrigations.

continental : For the the Rudbeckia sullivantii let's prefer very sunny locations, directly exposed to sunrays.
The Rudbeckia sullivantii can stand the cold and can even stand prolonged freezing and very harsh temperatures; therefore it’s grown in the garden.

alpine : For a balanced development, it is best for the the Rudbeckia sullivantii to receive as many hours possible of direct sunlight.
The Rudbeckia sullivantii can stand the cold and can be grown in the garden even during the coldest months of the year.

mediterranean : Plant which needs to be exposed to direct solar rays.
The Rudbeckia sullivantii is a very rustic plant, which can stand without problems the winter cold.

Fertilization Rudbeckia sullivantii : In the winter great part of the perennial plants have a period of vegetative rest, therefore it’s not necessary to fertilize them.