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Purple Rockii - Tree Peony

Purple Rockii - Tree Peony

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A sport of the rockii species from China. Gorgeous deep purple with deep red blotching surrounding golden stamens. (very early)

Tree Peony: (Zones 1,2,3)

Tree peony's exotic blooms are highly rewarding but require an experienced hand to establish.  Tree peonies require a high pH 6.5-7. Most soils will need amending to achieve the desired pH with Ag lime or dolomite.  Test pH to confirm.  They enjoy at least half a day of sunlight and like to be sheltered from strong winds.  Good drainage is essential.  Their growth habit is similar to the herbaceous peonies or spring bulbs in that they are activated by cold which stimulates the roots.  Fertilise with NPK with high P (phosphorus), K (potash) and low N (nitrogen) plus some Ferrous Sulphate around the base once a month in winter (when they do nearly all their feeding).  In spring they come into leaf and then flower once established.  In year one buds are small and badly formed so are best pinched out (removed).  In summer the plant ceases growth so an established plant requires little water at that time, but may need a little bit in dry patches in the first two years.  Mulch around base.  Potting is possible.  Use a good quality mix and add two or three handfuls of dolomite or Ag lime. Be patient and enjoy your rewards.

Aspect: Full sun to semi shade

Growing Zones: Zones 1, 2, 3 (refer to Climate Map)

Flowers: Oct;Nov

Product Type: Peonies - Tree

Product code: PR3

Scientific Name: Paeonia Rockii

Supplied as: Rootstock packed in peat

Water Wise: No

Colour: Purple

Planting Time: Jun;Jul;Aug

End Use: Garden;Cut Flower;Naturalising

Frost Hardy: Yes

Height: 1.2-2m

Growing Map