Residential

Wood Lot


Collecting cones for conifer tree establishment

If you are collecting cones for the Minnesota State Forest Nursery, contact your area forestry office for a list of tree species and quantities accepted and the dates and times when cones will be purchased. Refer to seed zone map for more information. Collecting, storing, and delivering large quantities of high-quality cones, you are helping to grow coniferous forest adapted to Minnesota.

Species

Crop freq.

(years)

Time to collect cones

Cone ripeness

Bearing aAge (minimum years)

Range of pds/seed/

bushel

of cones

Average

seeds/

pound

Average seeds/oz.

Production

cycle (years)

Flowering

Dates

Tamarack pdf

3–4

August

Tan

20–40

0.25–0.75

280,000

17,500

1 April– May

Balsam fir pdf

2–3

August

Purple–Brown

15–20

2.0–2.5

60,000

3,750

1 May

White spruce pdf

2–6

August

Tan

20–25

0.4–1.2

180,000

11,250

1 May

White pine pdf

3–10

 

September

Reddish– Purple

5–10

0.6–1.0

22,000

1,375

2 May–June

White cedar pdf

2–3

 

September

Tan

20–30

1.0

320,000

20,000

1 April–May

Jack pine pdf

3–4

September

Tan

3–15

0.4–0.8

110,000

6,875

2 April–May

Red pine pdf

3–7

 

September

Purple

20–25

0.5–0.8

50,000

3,125

2 May–June

Black spruce pdf

4–5

 

September

Purple

30–40

0.25–0.75

380,000

27,375

1 May–June

Red cedar pdf

2–3

September

Blue

10

7.0–9.0

40,000

2,500

1 April–May