Sir Prize Avocado

Persea americana 'Sir Prize'

SKU
44395
This more prolific and cold-resistant grandchild of the popular Hass variety produces delicious, buttery avocados that mature up to two months earlier, from October to January. Dark green skin with lighter green stipules turns purplish-black as the fruit ripens after harvest. Self-fertile type-B flowers; planting a complementary variety such as Hass or Lamb Hass may increase fruit set and extend the harvest season. Tolerates mild frost when established.
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9-11

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Full sun

Water regularly - weekly, or more often in extreme heat or containers.

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Botanical PronunciationPER-see-uh a-mer-ih-KAY-na
Average Size at MaturityReaches 15-25 ft. tall, 15-18 ft. wide; easily kept smaller with pruning.
Bloom TimeSpring
Deciduous/ EvergreenEvergreen
Flower ColorWhite
Foliage ColorDark Green
Garden StyleRustic
Growth HabitUpright
Growth RateFast
Landscape UseContainer, Mass Planting, Privacy Screen, Specimen, Accent, Hillside, Raised Bed, Shade Tree
Light NeedsFull sun
Special FeatureEasy Care, Edible, Year-round Interest, Fast Growing
Water NeedsModerate
Watering NeedsWater regularly - weekly, or more often in extreme heat or containers.
Companion Plants'Sir Prize' hails from a University of California breeding program, the result of an open-pollinated cross with a Hass offspring 'HX48' as the maternal parent. From the new seedlings, this selection exhibited several distinguishing characteristics: Fruit appearance remarkably similar to Hass and more recognizable as "Hass-like" than any previous commercial avocado of its type, maturing on average 6-8 weeks earlier than 'Hass' with larger overall fruit size and smaller seed, and considerably larger at an earlier stage. Additionally, it possesses an upright habit, making it a candidate for high-density planting and its Mexican-type genes lend cold-resistance and suitability to inland valleys and regions otherwise unsuited for 'Hass', giving commercial growers in California's central San Joaquin valley the opportunity of growing a 'Hass'-type avocado that can be sold much earlier in the season. 'Sir-Prize' was first asexually reproduced on the South Coast Research and Education Center in June 1991.

Provide unamended, well-drained soil, and a wind-sheltered site. Apply a thick layer of mulch to conserve moisture, avoiding the trunk. Water deeply and regularly during first growing season to establish an extensive root system; reduce frequency once established. Periodic leaf drop is normal; allow to remain as mulch. Apply a slow-release fertilizer in spring after flowering.

This Plant's Growing Zones: 9-11

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