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Luetkea pectinata

Partridgefoot

Family RosaceaeGenus Luetkea

Short spikes of cream flowers on red stems above dense mossy finely cut foliage
FlowerWalter Siegmund (talk)CC BY-SA 3.0

About the plant

What it is and where it grows — not part of any germination protocol.

Habit
subshrubPlants of the World Online
Habit
Perennial, SubshrubPLANTS Database
Flower
CreamRead from the photograph on this page
Native range
Alaska, Canada, lower 48 statesPLANTS Database

Toxicity is noted only where a source states it. No note here is not a finding of safety.

Sources: Plants of the World Online — Royal Botanic Gardens, Kew; PLANTS Database — USDA NRCS; Read from the photograph on this page — Deno's Garden.

Worth knowing

  • Partridgefoot is the only accepted species in its genus, a mat-forming semi-shrub of the cold parts of western North America, from subarctic Alaska and Yukon to the alpine zones of northern California. Wikipedia: Luetkea

This source reports 4 treatments. All are shown.

Protocol 1

DerivedN. C. Deno, 1998

Difficulty Low Rated by us, not by the source.

Start around March 18, 2027 for a May 3 last frost.

  1. Sow and cover

    Temperature: 70°F 21°C Light: dark

No stated waiting before sowing. Then 18 days to germinate.

100% germination in 5–18 days.

Seed Germination Theory and Practice, 2nd Supplement — N. C. Deno, 1998 · 2nd Supplement, Luetkea p. 45Public domain
Show the original text
Luetkea (Rosaceae). L. pectinata germ. 70D(100% in 5-18 d), 70L(100% on 8th d), 70 GA-3(100% in 3rd w), and 40-70D(100% on 4th d).
Seed Germination Theory and Practice, 2nd Supplement, 2nd Supplement, Luetkea p. 45. Quoted exactly. Every value on this card comes from this record, except the difficulty rating, which is ours; the step names come from a fixed list.

Protocol 2

DerivedN. C. Deno, 1998

Difficulty Low Rated by us, not by the source.

Start around March 28, 2027 for a May 3 last frost.

  1. Sow and cover

    Temperature: 70°F 21°C Light: light

No stated waiting before sowing. Then 8 days to germinate.

100% germination in 8 days.

Seed Germination Theory and Practice, 2nd Supplement — N. C. Deno, 1998 · 2nd Supplement, Luetkea p. 45Public domain
Show the original text
Luetkea (Rosaceae). L. pectinata germ. 70D(100% in 5-18 d), 70L(100% on 8th d), 70 GA-3(100% in 3rd w), and 40-70D(100% on 4th d).
Seed Germination Theory and Practice, 2nd Supplement, 2nd Supplement, Luetkea p. 45. Quoted exactly. Every value on this card comes from this record, except the difficulty rating, which is ours; the step names come from a fixed list.

Protocol 3

DerivedN. C. Deno, 1998

Difficulty Moderate Rated by us, not by the source.

Start around January 1, 2027 for a May 3 last frost.

  1. Cold moist stratification

    Duration: 90 daysTemperature: 40°F 4°C

  2. Warm moist stratification

    Duration: 90 daysTemperature: 70°F 21°C Light: dark

about 3 months from start to step 2. Germination happens during step 2, in 4 days.

100% germination in 4 days.

Seed Germination Theory and Practice, 2nd Supplement — N. C. Deno, 1998 · 2nd Supplement, Luetkea p. 45Public domain
Show the original text
Luetkea (Rosaceae). L. pectinata germ. 70D(100% in 5-18 d), 70L(100% on 8th d), 70 GA-3(100% in 3rd w), and 40-70D(100% on 4th d).
Seed Germination Theory and Practice, 2nd Supplement, 2nd Supplement, Luetkea p. 45. Quoted exactly. Every value on this card comes from this record, except the difficulty rating, which is ours; the step names come from a fixed list.

Protocol 4

DerivedN. C. Deno, 1998

Difficulty Low Rated by us, not by the source.

Start around March 15, 2027 for a May 3 last frost.

  1. Gibberellic acid soak

  2. Sow and cover

    Temperature: 70°F 21°C

No stated waiting before sowing. Then 21 days to germinate.

100% germination in 21 days.

Seed Germination Theory and Practice, 2nd Supplement — N. C. Deno, 1998 · 2nd Supplement, Luetkea p. 45Public domain
Show the original text
Luetkea (Rosaceae). L. pectinata germ. 70D(100% in 5-18 d), 70L(100% on 8th d), 70 GA-3(100% in 3rd w), and 40-70D(100% on 4th d).
Seed Germination Theory and Practice, 2nd Supplement, 2nd Supplement, Luetkea p. 45. Quoted exactly. Every value on this card comes from this record, except the difficulty rating, which is ours; the step names come from a fixed list.

How each step is done, in Deno’s words, and what Verified and Derived mean.

Germination trials

Readers’ own records of sowing this species, published after review. Share your trial · All trials

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