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P.18 Apple Rootstock (Spring 2022)


A full-vigor, extremely cold-hardy rootstock.

P.18 is a full-vigor stock with outstanding winter hardiness. A cross of Malling 4 and Antonovka, it was bred in Poland to withstand Polish winters, and it also has good resistance to collar rot, scab, mildew, gall, and fireblight. It tolerates heavy soils and is free of burr knots. P.8 is, however, susceptible to woolly apple aphid. Many growers now prefer B.118 or B.490.

Volume Pricing

Premiums are included in the following prices if applicable. All rootstocks are roughly 1/4" diameter, approximately pencil-size.

Quantity P.18 Apple Rootstock
1-24 $3.45
25-99 $2.95
100-299 $2.05
300+ $1.95

Order Your Rootstocks

$3.45 ea.

This is the full retail price for orders of 1-24 rootstocks. You can get these rootstocks for as low as $1.95 each – see Volume Pricing above. More about Pricing & Grading.

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P.18 is a full-vigor stock with outstanding winter hardiness. A cross of Malling 4 and Antonovka, it was bred in Poland to withstand Polish winters, and it also has good resistance to collar rot, scab, mildew, gall, and fireblight. It tolerates heavy soils and is free of burr knots. P.8 is, however, susceptible to woolly apple aphid. Many growers now prefer B.118 or B.490.



Rootstock Details

Category: apple

Tree Height & Spacing

Rootstock size class: Standard (100% Size)
Tree spacing (natural spread of tree): 35'
Good for wildlife planting?

Properties

Precocious: N
Anchorage: excellent
Burr Knots: N
Suckering: N
Virus: N
Brittleness: N
Ease of Grafting: Y

Diseases & Pests

Crown Gall: Resistant
Fireblight: Resistant
Phytophthora (Collar Rot, Crown Rot, Root Rot): Resistant
Woolly Apple Aphids: Susceptible






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