Monday, November 16, 2009

I'm going to transplant some primrose flowers from a pot to the yard. Do they take 'full sun' ?

Primroses (Primula) prefer cool temperatures, a rich humus soil (lots of compost and leaf mold) and partial shade. They appreciate full sun in the spring, but must have semi shade as the temperatures warm. They are quite tolerant of being transplanted, even when they are in bloom.

Newly purchased plants may be set into the garden in early spring. Older plants may be divided and transplanted right after they are finished blooming. They should be planted in a cool, partly shady area in the garden with rich, well draining, slightly acid soil (pH 6.5). Primroses need to be planted so that their crown is right at soil level, and at least six inches apart.

Primroses may be grown indoors if you are able to provide them with cool night temperatures of 50-60 degrees F., high humidity, filtered sun and moist soil. Daytime temperatures must remain below 80 degrees. When they have finished blooming in the house it is best to plant them directly into the garden, or summer them outdoors in their pots and moved back to the house at the end of the season.

I'm going to transplant some primrose flowers from a pot to the yard. Do they take 'full sun' ?
I find they do better planted near to trees or bushes where they get 1/2 sun. They like morning son. I also have them in the shade in loamy soil. I also have some in my rock garden. The tuffies with the darker leaves come back every year. The ones that get full sun are in the planter out front and by end of May (they start to get ugly) get transferred to the back garden (north) to make way for geraniums for summer. Primroses don't seem to like it too hot and dry.
Reply:I did this myself last fall and they are thriving! I transplanted them to a spot under my roof overhang next to the western wall. They get shade in the morning because my house blocks the sun, they get about 4 hours of sun in the afternoon (11-3 EST) before the sun drops below my neighbor's two story house. In short, I think a full southern exposure may be too much sun for them - unless you live in northern Canada :)

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