Different seeds take different amounts of time to sprout after you water them. This guide will tell you how long it takes for most common gardening seeds to sprout either for those planting outside or for those sprouting indoors.
The danger here is overwatering when you think things aren’t happening and causing your sprouts to mold. You can easily prevent this with a little patience and the details below.
Sprouting and Harvest Time Chart
|Type of Seed or Root||Days to Sprout||Days to Harvest Sprouts When Ready to Eat (if applicable)||Days to Full Growth Fruiting/Harvest|
|Potatoes||14 to 28 Days||Do not eat potato sprouts – poisonous||70 to 120 Days|
|Beans||8 to 10 Days||2 to 5 Days||65 Days|
|Corn||10 to 14 Days||2 to 5 Days||60 to 100 Days|
|Grass||5 to 30 Days||Not Recommended||30 Days till first harvest (or mow!)|
|Tomatoes||5 to 10 Days||Do not eat tomato sprouts – poisonous||50 to 80+ Days|
|Carrots||14 to 21 Days||Not Recommended||Baby Carrots – 60 Days
Full Carrots – 75+ Days
|Avocado||14 to 56 Days||Do not eat avocado sprouts||10 Years (3650 Days)|
|Sunflowers||7 to 10 Days||7 to 10 Days||80 to 120 Days|
|Acorn||28 to 56 Days||Do not eat acorn sprouts||20 Years (Over 7000 Days) for White Acorns trees to bear fruit|
|Caladium Bulbs||30 to 60 days for bulbs to sprout leaves
30 to 90 Days for seeds to sprout
|Do not eat caladium bulbs||90 Days|
|Lavender||30 Days||Not Recommended||From Seed – 140+ Days
From Cuttings – 70+ Days
|Dahlias||14 to 20 Days||Do not eat Dahlias||90 Days|
|Basil||8 to 14 Days||14 Days||50 to 75 Days|
|Lily Bulbs||21 Days||Do not eat lily sprouts||30 to 90 Days depending on variety|
How Long Does It Take For Potatoes To Sprout
Seed potatoes will sprout in 14 to 28 days. Potatoes can be harvested after the plant turns brown after about 70 to 120 days.
How Long Does It Take For Beans To Sprout
It takes 8 to 10 days for beans to sprout. Bean sprouts can be eaten, if desired, after 2 to 5 days. To grow beans to full fruit will take 65 or more days.
How Long Does It Take For Corn To Sprout
Corn will sprout from seed in 10 to 14 days. If desired you can eat corn sprouts after 2 to 5 days though they can be a bit tough compared to other sprouts. Corn harvests take 60 to 100 days after planting.
How Long Does It Take For Grass To Sprout
Grass seed will sprout in 5 to 30 days after watering and takes about 30 days before you’ll first mow or harvest (for pet grass)
How Long Does It Take For Tomatoes To Sprout
You can sprout tomato seeds to germinate in 5 to 10 days. After, tomatoes can be harvested in 50 to 80 days.
How Long Does It Take For Carrots To Sprout
Carrots will germinate from seed after 14 to 21 days. Baby carrots take 60 days to mature and full body carrots mature in 75 or more days depending on variety.
How Long For Avocado To Sprout
If you’re growing an avocado tree from a used pit expect it to sprout within 14 to 56 days. Avocado trees take 10 years to grow before their first harvest of avocado fruit.
How Long Does It Take For Sunflowers To Sprout
Sunflower seeds can be grown and eaten as sprouts or grown into full sunflowers for the seeds. It takes 7 to 10 days to germinate sunflower seeds and about 80 to 120 days to fully grow sunflowers and harvest seeds.
How Long Does It Take For An Acorn To Sprout
Acorns will sprout after 28 to 56 days. It takes 20 to 50 years or more for an oak tree to have it’s first acorn harvest.
Caladium Bulbs How Long To Sprout
Caladium bulb will first sprout after 30 to 60 days depending on the dormancy of the tuber you’re trying to grow. You can expect full leaves 90 days after first sprouting. You can also start caladium from seed. Seed germination of caladium takes 30 to 90 days.
How Long Does It Take For Lavender To Sprout
Lavender seeds germinate within 30 days. It takes 70 days to grow full lavender from cuttings and 140 days to grow from seed.
How Long For Dahlias To Sprout
Dahlia tubers sprout 14 to 20 days after planting and take 90 days to flower.
How Long Does It Take For Basil To Sprout
Basil seeds germinate within 8 to 14 days after initial watering and can take 50 to 75 days to mature to harvest, depending on the basil variety.
How Long Does It Take For Lily Bulbs To Sprout
Lily bulbs sprout after 21 days and take 30 to 90 additional days to flower.