Handbook of Plant and Crop Physiology

GERMINATION AND EMERGENCE 81

Sow, then stratify

5 

C 6 wk

Soak in water 24 hrNick seed coat with

a file or soak inwater for 24 hr

Stratify 5

C 30 days

Stratify 3–5

C 3 wks

10–15 14–50 10–18 6–9 10–25 20–30 15–20 10–12 14–21

30

16–22

Jasione perennis

Sheep’s bitCampanulaceae

Knautia macedonica

KnautiaDipsacaceae

Kniphofia

spp.

Torch lilyLiliaceae

Kochia scoparia

Burning bushChenopodiaceae

Lathyrus

spp.

Sweet peaFabaceae

Lavandula

spp.

LavenderLamiaceae

Lavatera trimestris

Tree mallowMalvaceae

Layia platyglossa

Tidy tipsAsteraceae

Leontopodium alpinum

EdelweissAsteraceae

Lewisia cotyledon

LewisiaPortulacaceae

Liatris

Blazing star, Gray featherAsteraceae

P P P A AorP P A A P P P

21

20–24 20–24 21–24 12–18

20 21

21–24 15–20

21

15–24

15

10–20

10 18

12–18

18

18–20

20

10–15 18–21

L L L D

D of L

L

Expect erratic germination.Reduce night temp. of

medium by 3

C for best

germination.

Reduce night temp. of

medium by 3

C for best

germination. Watersparingly after germination.

Directly sow to garden or

transplant container.

Difficult to transplant. Best

sown directly to garden orcontainer.

Reduce night temp. of

medium by 3°C for bestgermination.

continues