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Hardiness: USDA Zone 5a: to -28.8 °C (-20 °F) USDA Zone 5b: to -26.1 °C (-15 °F) USDA Zone 6a: to -23.3 °C (-10 °F) USDA Zone 6b: to -20.5 °C (-5 °F) USDA Zone 7a: to -17.7 °C (0 °F) USDA Zone 7b: to -14.9 °C (5 °F) USDA Zone 8a: to -12.2 °C (10 °F) USDA Zone 8b: to -9.4 °C (15 °F)
Sun Exposure: Light Shade
Danger: Handling plant may cause skin irritation or allergic reaction
Bloom Color: Violet/Lavender
Bloom Time: Late Spring/Early Summer Mid Summer
Foliage: Deciduous
Other details: Requires consistently moist soil; do not let dry out between waterings
Soil pH requirements: 5.6 to 6.0 (acidic) 6.1 to 6.5 (mildly acidic) 6.6 to 7.5 (neutral)
Patent Information: Non-patented
Propagation Methods: By dividing the rootball From seed; direct sow outdoors in fall From seed; winter sow in vented containers, coldframe or unheated greenhouse From seed; stratify if sowing indoors
Seed Collecting: Allow pods to dry on plant; break open to collect seeds Allow seedheads to dry on plants; remove and collect seeds Seed does not store well; sow as soon as possible
On Jun 7, 2009, Joan from Belfield, ND (Zone 4a) wrote:Editor's Note
Some Primula species and cultivars are known to cause contact dermatitis.
The main allergens are: primin, primetin, miconidin and possibly quinones. Resources note that the allergens appear to be concentrated in the glandular hairs on the leaves and stems.
We tend to err on the side of caution in PlantFiles, and the danger notation in the details above is to caution gardeners, parents and pet owners to look further for more information.
On Aug 18, 2007, mmhuppi from Beaverton, OR wrote:
beautiful plant, which has bloomed several times. I have several of the flower stalks drying on the plant as we speak. I will have the seeds for those who would like to have them. This is the first time I have ever got this plant. I ordered it through Michigan bulb company. It has also done well in my mother's yard in Hillsboro, Oregon and for myself in Aloha, Oregon. I will also post some pictures.
Has oblong, mid-green, toothed, slightly hairy leaves. Bears upright spikes with a pyramidal shaped flower head where small, pendant, lavender flowers open from the bottom upwards. The calyx of the flower is a bright red.
Flowers May-July
Likes moist, rich, neutral to acid soil in parital shade although it will tolerate sun as long as the soil is constantly moist.
Regional...
This plant has been said to grow in the following regions:
Juneau, Alaska Carlotta, California San Leandro, California Peoria, Illinois Grand Haven, Michigan Pinconning, Michigan Denville, New Jersey Beaverton, Oregon Kalama, Washington Shelton, Washington