Primrose

(Primula species)

August 1996

DESCRIPTION:

Rounded, rough, hairy, heart-shaped leaves. Longlasting flowers have "eyes" of a contrasting color.

FLOWER COLORS:

Red, Blue, White, Pink

AFTER FLOWERING:

Discard. If a perennial variety, set out in garden in cool location with light shade.

AVAILABLE:

September to May

CONTAINER:

Small container.

LIGHT:

Medium - high. Does well near an east, west, or south window, filtered light, or location receiving 1000 footcandles or more.

WATER:

Frequent. Water thoroughly, keep soil evenly moist to touch (not saturated). Don't let sit in water.

TEMPERATURE:

Cool. 50 - 60 (degrees F) days, 45 - 55 nights.

HUMIDITY:

Average

FERTILIZER:

Monthly; don't overfertilize.

SOIL MIX:

1 to 2 parts sphagnum peat moss, 1 part vermiculite, 1 part sterilized loam, and 1 part clean coarse sand or Perlite.

PROPOGATION:

Seeds

SELECTION GUIDE:

Select sturdy, shapely plant with healthy foliage and bright, clear colored flowers. New flower buds desirable. Check leaf axils for insects. Avoid plants with disease or insect damage.

CARE:

Very challenging. Attractive while in bloom. Difficult to cultivate year round and rebloom. Usually discarded after blooms fade.

PROBLEMS:

Spider mites: Wash with soapy water and apply miticide.
Fertilizer burn: Leach pot 3 times with water between fertilizer applications.
Leaf scorch: Provide adequate water and humidity. Don't overfertilize.

This material was developed by Carol Ness as part of the Interactive Design and Development Project funded by the Kellogg Foundation. Mary Miller, Project Director. Diane Relf, Content Specialist, Horticulture. Copyright 1989 by VCE.

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