Blood Orange (Delfino)

$34.99

Delfino is a heritage-style blood orange prized for balanced sweetness, aromatic juice, and dependable mid-winter ripening.

  • Fruit: Sweet blood orange for fresh eating and juice
  • Flavor: Smooth, aromatic, and gently sweet-tart
  • Season: Mid-winter harvest
  • Pollination: Self-fertile
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SKU: Blood Orange (Delfino) Categories: , Tag:

Description

Delfino is a blood orange that leans into balance rather than drama. Sweet, aromatic, and well suited to fresh juice, it delivers classic blood orange character without the sharp acidity or bitterness found in darker, more intensely pigmented types.

This variety appears to trace back to an older California seedling that was distinctive enough to be preserved and circulated long before modern blood orange selections became widespread. Delfino later entered formal citrus collections through budwood distribution, giving it a documented place among established blood orange varieties rather than a recent marketing introduction.

The fruit is valued primarily for flavor and usability. Flesh color can range from lightly blushed to deeper red depending on winter temperatures, but eating quality remains consistent year to year. Delfino ripens in mid-winter, offering a dependable harvest window and an approachable expression of blood orange flavor for both fresh eating and juicing.

Overview

  • Heritage-style blood orange with documented California circulation.
  • Balanced sweetness and aromatic juice rather than extreme pigmentation.
  • Approachable flavor suited to fresh eating and juice.
  • Mid-winter ripening season.
  • Self-fertile.

Growing Details

Botanical Name: Citrus sinensis ’Delfino’
Origin: Older California seedling preserved through budwood distribution; later entered formal citrus collections
Site and Soil: Full sun; well-drained soil
Rootstock: 1-gallon trees on Flying Dragon; larger sizes on C-35
Hardiness: Best suited to USDA Zones 8–11; fruit damage often begins around ~26°F, with increased tree risk during prolonged cold below this range
Bearing Age: Often fruits immediately; grafted trees may produce in their first season
Size at Maturity:
Flying Dragon: Compact, container-friendly habit
C-35: Compact to medium-sized citrus tree
Note: Final size is influenced by pruning and container culture.
Bloom Time: Spring (timing varies by climate)
Ripening Time: Mid-winter; typically December to January depending on region
Pollination Requirements: Self-fertile
Pests & Diseases: Similar to other sweet oranges; good airflow and drainage help reduce issues

Additional Notes

  • Grower’s Insight: Delfino is best appreciated as a flavor-first blood orange. Color intensity varies by season, but sweetness and aroma are the consistent strengths of this variety.
  • Regional Insight: Cooler winter nights improve internal coloration, though excellent eating and juicing quality are present even in warmer citrus regions.
  • Color Note: Flesh color can range from light blush to red depending on temperature swings during ripening.

Planting & Care

At a Glance – Delfino Blood Orange

  • Sun: 3/4 day to full day of sun
  • Soil: Well-drained soil
  • Soil pH: Performs best between 5.5–6.5
  • Water: Moderate; consistent during establishment
  • Tree Size: Compact to medium depending on rootstock and pruning
  • Pollination: Self-fertile
  • Harvest: Mid-winter
  • Hardiness: Fruit damage often begins around ~26°F; protect trees during prolonged cold

Planting & Care

Site Selection

  • Select a warm, sunny location to support flavor development and fruit quality.
  • South- or west-facing exposures improve performance in cooler winter regions.
  • Good airflow helps maintain healthy foliage and reduce disease pressure.

Soil Preparation (In-Ground vs Container)

  • In-ground: Excellent drainage is essential; raised planting areas help in heavier soils.
  • In-ground: Slightly acidic soil supports nutrient uptake.
  • Container: Use a fast-draining citrus mix with generous drainage.
  • Container: Container growing allows easier winter protection and size control.

Planting Instructions

  1. Dig a hole about twice the width of the root ball, or select a container slightly larger than the root mass.
  2. Set the tree so the root flare sits at or slightly above finished soil or potting mix.
  3. Backfill gently and water thoroughly to settle the soil.
  4. Mulch lightly for in-ground trees, keeping mulch away from the trunk.

Watering (In-Ground vs Container)

  • In-ground, establishment: Keep soil evenly moist during the first growing season.
  • In-ground, established: Deep, periodic watering supports fruit development.
  • Check: Water when soil is dry 3–6 inches below the surface.
  • Container: Water thoroughly, then allow the top couple inches of mix to dry.

Fertilizing

  • Feed with citrus fertilizer in early spring and early summer.
  • Supplement with liquid feeding during active growth if needed.
  • Reduce feeding later in the season to support cold tolerance.

Cold Care

  • Protect trees during freezing weather.
  • In-ground: Use frost cloth and protect the root zone during cold snaps.
  • Container: Move to a sheltered or bright indoor location before hard freezes.

Pruning & Harvest

  • Light pruning maintains shape and airflow.
  • Harvest when fruit reaches full size and winter maturity; internal color varies by climate.