Growing Innovations
Primula japonica 'Alba'

Primula japonica 'Alba'

Consumer Information

Alternative Names:

syn. P. 'Postford White'

Narrative Description:

Beautiful flowers with pure white petals and honey-yellow centres which look stunning against matt green foliage.

Ideal Conditions:

Partial shade with rich humus soil or compost.

Possible Situation:

A good choice for a woodland garden or planting near water features but also looks great in the container.

Resilience:

Hardy

Habit:

Clump Forming

Height x Spread / Trail:

45 x 45 cm

Features:

Typical Season:

Spring

Flower Colour:

white

yellow

Foliage Colour:

green

Flowering Time:

May - July

Planting Recommendations:

Container

Prefers:

Part Sun

Temperature Tolerance:

A hardy plant which should survive normal winter conditions outside, especially if protected from the hardest frosts.

Plant Care:

Requires consistently moist soil; do not let dry out between waterings.

Cultural Information

Family:

PRIMULACEAE

Genus:

Primula

Species:

japonica

Cultivar:

Alba

Alternative Names:

syn. P. 'Postford White'

Category:

Hardy Perennials

Recommended Pot Sizes:

11cm

1Ltr

Pot Spacing:

Leave enough room so that foliage does not overlap within crop time.

Typical time required from pot to sale:

24 weeks over Winter

8 weeks in Spring / Summer

Based on producing a finished pot size of 1L for plug products and 2L for liner products. (*)

Growing Media / Irrigation / Water Capacity:

Free draining - keep evenly moist

Feeding / Fertilser
(during crop time):

NPK balanced feeding

Feeding Frequency:

Requires infrequent feeding (Low EC)

Recommended pH:

Standard 5.0 to 5.5

Growth Regulation PGR:

Due to the current approval situation, please contact your PGR provider

Temperature During Production:

Cool crop 4 - 12°C

Temperature During Transport:

12-16°C

Availability

Available for Delivery:

November - May

Recommended Sales Window:

January - June

Forecast Availability:

Wk/Yr:20/2530/2540/25
Qty:53218

Please note: this forecasted availability is a guide only. Quantities can be increased or produced earlier on request.

P&D Susceptibility

Common Pests:

Aphid

Thrip

Common Diseases:

Botrytis

Leaf Spots

Other Info:

Can be susceptible to Ramularia

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Additional Notes (*):

All information provided is based on producing a default finished pot size of 1L for our plug products, and 2L for 7cm and 9cm liner products. For alternative pot sizes please adjust cultural notes accordingly.

Finishing times - Based on average estimated climatic and environmental conditions, and are for guidance purposes only.

Temperature – These conditions assume a protected ornamental growing environment. Recommended growing is generally above 5°C.

Feeding – Does not specify controlled release or liquid fertiliser application. This choice will depend on your conditions, requirements and preferences – please contact your fertiliser consultant for suitable products to meet your requirements.

Growing media and pH – Is shown for guidance purposes only - please contact your growing media consultant for suitable growing media to meet your requirements.



Disclaimer

This information is for guidance purposes only and is based upon our own growing environment and experience during trials. It is wise to use your own knowledge about your growing conditions and local environment in order to make informed cultural decisions.