| Gaillardia aristada - Germination in less than two weeks at 73ºF . Surface sow seeds, light needed for best results., |
| Gaillardia lorenziana - Germination takes longer than 2 weeks at 73ºF . Surface sow seeds, light needed for best results., slow germ. |
| Gaillardia lorenziana - Germination in less than two weeks at 73ºF . Surface sow seeds, light needed for best results., |
| Gaillardia pulchella 'Plume Mix'- Germination in less than two weeks at 73ºF . Surface sow seeds, light needed for best results., |
| Gaillardia X grandiflora 'Painter's Palette' - Surface sow, light needed for best germination, 10 days at F 70 |
| Gaillardia X grandiflora 'Unique Mix' - Surface sow, light needed for best germination, 10 days at F 70 |
| Galega officinalis - Germination takes longer than 2 weeks at 68ºF, slow germ. |
| Galtonia candicans - Germination takes longer than 2 weeks at 68ºF, slow germ. |
| Gaultheria shallon - wash seed, Germination in less than two weeks at 68ºF . Surface sow seeds, light needed for best results., |
| Gaura lindheimeri - Germination takes longer than 2 weeks at 68ºF, slow germ. |
| Gazania linearis - Germination in less than two weeks at 68ºF, |
| Gentiana andrewsii - sow outdoors in late suer or use 2-4 weeks at 68ºF, 4-6 mths at 21ºF, move to 53ºF for germ. . Surface sow seeds, light needed for best results. |
| Gentiana asclepiadea - sow in pot and put in a large clear ziplock bag and keep outdoors in late summer or use 2-4 weeks at 68ºF, 4-6 mths at 21ºF, move to 53ºF for germination. Surface sow seeds, bright light needed for best results. |
| Gentiana dahurica - sow in pot and put in a large clear ziplock bag and keep outdoors in late summer or use 2-4 weeks at 68ºF, 4-6 mths at 21ºF, move to 53ºF for germination. Surface sow seeds, bright light needed for best results. |
| Gentiana flavida - Sow in pot and put in a large clear ziplock bag and keep outdoors in late summer or use 2-4 weeks at 68ºF, 4-6 moths at 21ºF, move to 53ºF for germination. Surface sow seeds, bright light needed for best results. |
| Geranium asphodeloides - sow outdoors, Germination in less than two weeks at 55ºF, |
| Geranium bohemicum - Sow at 65ºF, if no germination after 4 weeks, move to refrigerator for 6 weeks, then back to 65F. |
| Geranium caespitosum - Sow outdoors, Germination in less than two weeks at 55ºF, |
| Geranium himalayense - sow outdoors, Germination in less than two weeks at 55ºF, |
| Geranium 'kashmir blue' - sow outdoors, Germination in less than two weeks at 55ºF, |
| Geranium maculatum - sow at 39ºF, germ. erratic, often many months |
| Geranium maculatum- Place seeds in a plastic baggy with moist seed mix and keep at room temps for one week, then move to fridge for 8 weeks, Sow seeds and use 65-70F for germination. Or sow in the fall outside in a pot with germination in the spring. Germination is slow and spread out over many months. |
| Geranium nodosum - Lightly cover seeds with soil and use F55, germination is spread out over a number of weeks. Slow and erratic may take up to a year. |
| Geranium phaeum - Lightly cover seeds with soil and use F55, germination is spread out over a number of weeks. Slow and erratic. |
| Geranium pratense - sow outdoors, Germination in less than two weeks at 55ºF, |
| Geranium pratense V. striatum 'Splish Splash' - Sow at 65ºF, if no germination after 4 weeks, move to refrigerator for 6 weeks, then back to 65F. |
| Geranium psilostemon - sow outdoors, Germination in less than two weeks at 55ºF, |
| Geranium pyrenaicum - sow outdoors, Germination in less than two weeks at 55ºF, |
| Geranium sanguineum - sow outdoors, Germination in less than two weeks at 55ºF, |
| Geranium sanguineum 'Vision' Lightly cover seeds with soil and use F55, germination is spread out over a number of weeks. Slow and erratic.or:Sow in a bag with moist medium and put in the fridge, once germination starts in 5-7 weeks, sow into a pot. |
| Gerbera 'Duplex Hybrids' - Surface sow seeds and use F 70-75, Germination in 10-20 days. |
| Gerbera 'Festival Mix' - Surface sow seeds and use F 70-75, Germination in 10-20 days. |
| Gerbera jamesonii - Germination in less than two weeks at 75ºF . Surface sow seeds, light needed for best results., |
| Geum chiloense 'Blazing Sunset' - Surface sow seeds, light needed for best germination. Use F 70-78. germination in 3-4 weeks. |
| Geum chiloense (quellyon) - Germination in less than two weeks at 68ºF . Surface sow seeds, light needed for best results., |
| Geum triflorum - 6 weeks at 39ºF, move to 68ºF for germ. |
| Gilia capitata - Germination takes longer than 2 weeks at 68ºF, slow germ |
| Gilia tricolor - Germination in less than two weeks at 68ºF, |
| Glaucium corniculatum - sow outdoors in situ in spring |
| Glaucium flavum - Germination in 2-3 weeks at 65F, if no germinaton in 4 weeks move to the fridge for three weeks. |
| Globularia punctata - 3-4 weeks at 68ºF, if no germ., 2-4 weeks at 39º |
| Gomphrena globosa - sow outdoors, Germination in less than two weeks at 72ºF, |
| Gomphrena 'Strawberry Feilds' - Soak seds in hot water for 24 hours, changing the water evry 12 hours. Sow and play a board over the seed tray-Darkness needed for best germination. Use F 70, Germination in 14 days. |
| Gunnera manicata Use warm and moist conditions for best germination: 75-85ºF SOIL TEMP, sow onto moist seed medium and seal pots up in a plastic bag and use bottom heat for ten days. Germination in 10 days and may last up to 60 days. |
| Gunnera tinctoria Use warm and moist conditions for best germination: 75-85ºF SOIL TEMP, sow onto moist seed medium and seal pots up in a plastic bag and use bottom heat for ten days. Germination in 10 days and may last up to 60 days. |
| Gypsophilia cerastioides - Lightly cover seeds with soil and use F. 55-65, germination is spread out over a number of weeks. |
| Gypsophilia elegans - Germination in less than two weeks at 68ºF, |
| Sow in bag with moist medium an put in the fridge, once germination starts in 5-7 weeks, sow into a pot. |