Kumquat (Nordman Seedless)

Price range: $34.99 through $159.99

Nordmann Seedless is a winter kumquat you can eat whole without interruptions—sweet, aromatic skin, bright citrus flesh, and the simple joy of truly seedless fruit straight off the tree.

  • Seedless kumquat eaten whole (skin and flesh together).
  • Teardrop-shaped fruit with Nagami-style sweet/tart balance.
  • Late fall through winter harvest.
  • Fruit holds in clusters and harvests easily over time.
  • Self-fertile.
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Description

In 1965, George Otto Nordmann found a seedless kumquat on a Nagami seedling in DeLand, Florida, and the value was immediate: preserve the whole-fruit kumquat experience while removing the seeds. The result is a seedless selection with a slightly different look—often teardrop-shaped with lighter-colored skin—while keeping the familiar sweet peel and bright, tangy pulp that makes kumquats so addictive in winter.

This is a variety that earns its place near the house or on the patio because it’s so easy to use. You pick a few, eat them whole, and you’re done—no peeling, no spitting seeds. The fruit also hangs in ornamental clusters and can be harvested gradually through the season.

Overview

  • Seedless kumquat meant to be eaten whole.
  • Teardrop-shaped fruit; flavor in the Nagami lane (sweet peel, tangy pulp).
  • Late fall through winter ripening; fruit holds well in clusters.
  • Compact, patio-friendly citrus habit.
  • Self-fertile.

Growing Details

Latin Name: Citrus japonica ‘Nordmann Seedless’
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; hardy to around 20°F for brief periods with protection once established
Bearing Age: Often fruits immediately; grafted trees may produce in their first season
Size at Maturity:
Flying Dragon: Typically 4–6 ft tall and wide
C-35: Typically 8–12 ft tall and wide
Note: Trees grown in containers remain smaller and are easily maintained with pruning.
Bloom Time: Spring to early summer (timing varies by climate and culture)
Ripening Time: Late fall through winter, often extending into late winter
Pollination Requirements: Self-fertile
Pests & Diseases: Similar to other citrus; good airflow and drainage reduce issues

Additional Notes

  • Grower’s Insight: Nordmann Seedless was discovered in 1965 on a Nagami seedling in DeLand, Florida—then preserved and propagated because removing seeds makes the eat-whole kumquat experience dramatically more enjoyable.
  • Regional Insight: A strong fit for warm citrus regions, and an excellent container citrus in cooler climates where it can be protected during freezing weather.
  • Harvest Tip: Let fruit reach full color for the best balance; kumquats reward patience, and room-temperature fruit tastes noticeably sweeter and rounder than chilled fruit.
  • Explore more kumquat varieties in our collection: Kumquats

Planting & Care

At a Glance – Nordmann Seedless Kumquat

  • 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; well suited to containers
  • Pollination: Self-fertile
  • Harvest: Late fall through winter
  • Hardiness: Hardy to ~20°F for brief periods with protection

Planting & Care – Nordmann Seedless Kumquat

Site Selection

  • Choose a warm, sunny location to support flowering and winter ripening.
  • South- or west-facing exposures improve performance in marginal climates.
  • Shelter from cold wind reduces leaf burn and winter stress.

Soil Preparation (In-Ground vs Container)

  • In-ground: Drainage is essential; mound or raise planting areas in heavier soils.
  • In-ground: Slightly acidic soil (pH 5.5–6.5) supports nutrient uptake and steady growth.
  • Container: Use a fast-draining citrus mix in a container with ample drainage holes.
  • Container: Container growing allows easy movement and protection during cold snaps.

Planting Instructions

  1. Dig a hole about twice the width of the root ball, or choose 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 steady growth and fruiting.
  • 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 before watering again.

Fertilizing

  • Nordmann Seedless responds well to consistent citrus nutrition.
  • Base feeding: Apply slow-release citrus fertilizer in early spring and early summer.
  • Support feeding: Supplemental liquid feeding during active growth supports flowering and fruit development.
  • Reduce feeding later in the season to encourage winter hardening.

Cold Care

  • Protect trees during freezing weather, especially when young.
  • In-ground: Use frost cloth and protect the root zone with mulch during cold snaps.
  • Container: Move to a sheltered location (covered patio, garage window, or bright indoor spot) before hard freezes.

Pruning & Harvest

  • Light pruning maintains shape and airflow; avoid heavy pruning late in the season.
  • Harvest when fruit is fully orange for best flavor balance.

General Tips

  • Full sun and drainage drive fruit quality more than anything else.
  • If fruit tastes sharper than expected, let the next round hang longer—kumquats improve on-tree.